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Updates on Monkeypox Disease
Topic Outline
1. Risk Factors, Signs & Symptoms, and Transmission
2. Diagnosis and Treatment
3. Epidemiology, Case Definition, Global Situation, and Surveillance - Sample
Coordination
4. Sample Collection
5. PDITR Measures
6. Border Surveillance and Control
7. Immigration Reminders for Filipinos Traveling to Monkeypox Affected Countries
8. Monkeypox in Animal
Risk Factors, Signs & Symptoms, and
Transmission
DR. MARK PASAYAN
Philippine Society for Microbiology & Infectious Diseases (PSMID)
Diagnosis and Treatment
DR. ARTHUR DESSI ROMAN
Philippine Society for Microbiology & Infectious Diseases (PSMID)
Diagnosis
ā€¢ Laboratory confirmation is necessary.
ā€¢ Rule out other rash illnesses
ā€¢ Chickenpox ā€“ Varicella IgM/IgG
ā€¢ Measles ā€“ Measles IgM/IgG
ā€¢ Bacterial skin infections ā€“ GS CS
ā€¢ Scabies ā€“ characteristic ā€burrowsā€
ā€¢ Syphilis ā€“ palms and soles involvement, RPR/VDRL, TPPA
ā€¢ Medication-associated allergies
Diagnosis: What specimens to
send?
ā€¢ Vesicular or pustular fluid aspirate
ā€¢ Crust or roof of skin lesion
ā€¢ Skin or tissue
What is the preferred test to
diagnose monkeypox infection?
PCR is the preferred test to indicate the
presence of the virus in the skin lesions
Diagnostic Tests Used for Monkeypox
Polymerase Chain Reaction
(PCR) assay
Viral Isolation by Cell
Culture
Enzyme-linked
Immune Sorbent
Advantages ā€¢ Preferred test
ā€¢ Indicate the presence of the virus
ā€¢ Can be used alone, or in
combination with sequencing
ā€¢ GeneXpert MPX/OPX assay is
highly sensitive and specific
compared to real-time quantitative
MPX PCR assays (gold standard)
Indicate the presence of
the virus
ā€¢ Detect exposure to the
virus
ā€¢ IgM-based serology to
determine recent
exposure
ā€¢ Paired sera analysis to
determine recent
infection
Disadvantages ā€¢ No commercial PCR kits available
ā€¢ Cartridge, primers and probes not
ā€¢ yet available locally
ā€¢ Limited to high-level
facilities with expertise
and equipment (e.g. US
CDC)
ā€¢ Not yet available locally
ā€¢ Cross-reactivity
between orthopoxvirus
species
ā€¢ Not yet available locally
https://www.who.int/news-room/fact-sheets/detail/monkeypox
Diagnostic Tests Used for Monkeypox
ā€¢Other diagnostic assays:
ā€¢ Whole Genome Sequencing
ā€¢ Electron microscopy: Brick-shaped poxvirus
ā€¢Histopathology: ballooning degeneration of
keratinocytes, prominent spongiosis, dermal edema, and
acute inflammationšŸ”Ŗ non-specific
Ancillary Diagnostic Tests
Ancillary test results are non-specific abnormalities (AST, ALT,
leukocytosis, mild thrombocytopenia, and hypoalbuminemia)
ā€¢ Recommended: CBC, crea, AST, ALT
ā€¢ If with significant GI losses: Na, K
ā€¢ Other differentials: Varicella IgM/IgG, HSV PCR as needed
Treatment
ā€¢ Supportive care ā€“ antipyretics, hydration if with losses
ā€¢ Keep skin clean, dry with lesions covered with sterile wound
dressing.
ā€¢ Change bed linens at regular intervals.
ā€¢ Antibacterial treatment ā€“ if with superimposed bacterial infection
ā€¢ Cloxacillin or clindamycin
ā€¢ No proven antiviral therapy.
ā€¢ Use of current Antivirals based on animal models and dose
studies in healthy humans
ā€¢ Data not available on effectiveness of antivirals for human monkeypox
and its complications
ā€¢ Can be used for control of outbreak or for severe cases
ā€¢ Could only be used under Investigational New Drug (IND) or
Emergency Use Authorization (EUA) protocol
ā€¢ Currently, no strong recommendation for use from any
international guidance.
RITM Management Protocol for Monkeypox 23 May 2022
[DRAFT]
Use of Antivirals
Antivirals against Monkeypox
Tecovirimat (US FDA, July 2018) Cidofovir Brincidofovir (US FDA June 2021) Vaccinia immune globulin
(VIG)
Potent inhibitor of an orthopoxvirus viral
protein p37 required for the formation of an
infectious virus particle
Treatment of choice in patients with severe
disease, With or without brincidofovir
competitive inhibitor
and an alternate
substrate for CMV DNA
polymerase
Analog of cidofovir, inhibits viral
DNA polymerase
Provides passive immunity,
exact MOA not formally
known
Adult:
40 to <120 kg: 600 mg BID for 14 d
ā‰„120 kg: Oral: 600 mg TID for 14 days
Pediatric:
13 to <25 kg: 200 mg twice daily for 14 d
25 to <40 kg: 400 mg twice daily for 14 d
40 to <120 kg: same as adult
ā‰„120 kg: same as adult
5 mg/kg weekly x 2
weeks then 5 mg/kg
every other week
<10 kg: 6 mg/kg on Days 1 and 8
(oral solution)
10-48kg: 4 mg/kg on Days 1 and 8
(oral solution)
>= 48 kg: 200 mg on Days 1 and 8
(solution and capsule)
6000 U/kg IV
Active in monkey models, likely effective in
humans
Active in vitro an in
mouse models
Limited published data, some
animal models show that it is likely
an effective treatment of
orthopoxvirus infections
Treatment of monkeypox
under IND
FDA-approved for treatment
of adverse reaction to
smallpox (vaccinia) vaccine
headache, nausea, and abdominal pain Dose dependent
proximal tubular injury
Inc AST, ALT. GI upset
Blackbox warning; increased
mortlity at higher, prolonged doses,
fetal harm, potential carcinogen
Epidemiology, Case Deļ¬nition, Global Situation
and Surveillance - Sample Coordination
ALETHEA R. DE GUZMAN, MD, MCHM, PHSAE
Director IV
Epidemiology Bureau- DOH
Epidemiology: Monkeypox Outbreak
Monkeypox Cases from Non-Endemic Countries reported to the
WHO (N=120)
(May 13 - 21, 2022)
Country
No. of Conļ¬rmed
Cases
No. of Suspect
Cases
Australia 1-5 -
Belgium 1-5 1-5
Canada 1-5 11-20
France 1-5 1-5
Germany 1-5 -
Italy 1-5 -
Netherlands 1-5 -
Portugal 21-30 -
Spain 21-30 6-10
Sweden 1 -5 -
United Kingdom 21-30 -
United States 1 -5 -
Total 92 28
Monkeypox Cases from Endemic Countries reported to the WHO
(N=1,315)
Country
No. of Conļ¬rmed
Cases
No. of Deaths
Cameroon 25 <5
Central African
Republic
6 <5
Democratic Republic
of Congo
1238 57
Nigeria 46 0
Reference: WHO (2022). Multi-country monkeypox outbreak in
non-endemic countries.
https://www.who.int/emergencies/disease-outbreak-news/item/2022-
DON385#:~:text=During%20human%20monkeypox%20outbreaks%2
C%20close,factor%20for%20monkeypox%20virus%20infection.
Multi-country Monkeypox Outbreak in Non-endemic Countries
ā— Previous cases in non-endemic areas are associated with travel
ā— From May 13 ā€“ 21, 2022, 92 laboratory conļ¬rmed and 28 suspect Monkeypox cases were
reported from 12 non-endemic countries to the WHO
ā— No death reported.
ā— Majority have been reported amongst men who have sex with men (MSM) seeking care in
primary care and sexual health clinics.
ā— All laboratory conļ¬rmed cases were detected with West African clade.
ā— No established travel links to an endemic area and have presented through primary care,
secondary care or sexual health services
ā— The identiļ¬cation of conļ¬rmed and suspect cases with no direct travel links to an endemic
area is atypical
WHO Risk Assessment
Actions taken:
ā— Ongoing epidemiologic investigation and genomic sequencing to confirm the particular monkeypox virus
clade(s)
ā— Vaccination, where available, provided to manage close contacts
WHO Risk assessment:
ā— Infection in non-endemic countries seems to have been locally acquired with circulation occurring amongst
MSM.
ā— The extent of local transmission is unclear at this stage and there is the high likelihood of identification of
further cases with unidentified chains of transmission.
ā— With three countries reporting cases of monkeypox in this population group within a few days, it is therefore
highly likely that other countries may find similar situations.
WHO Advice:
ā— Intensive public health measures should continue in countries reporting cases.
ā— Further spread in other Member States is likely, thus, any patient with suspected monkeypox should be
investigated and isolated during the presumed and known infectious periods, that is during the prodromal
and rash stages of the illness, respectively.
Aligning with the Four-Door Strategy
Aligning with the Four-Door Strategy
Case Deļ¬nition: Monkeypox in Non-endemic Countries
Suspected
Case
A person of any age presenting with an unexplained acute rash
AND
One or more of the following signs or symptoms:
ā— Headache;
ā— Acute onset of fever (>38.5Ā°C);
ā— Myalgia;
ā— Back pain;
ā— Asthenia;
ā— Lymphadenopathy; AND
For which the following common causes of acute rash do not explain the clinical picture: varicella zoster,
herpes zoster, measles, herpes simplex, bacterial skin infections, disseminated gonococcal infection, primary
or secondary syphilis, chancroid, lymphogranuloma venereum, granuloma inguinale, molluscum contagiosum,
allergic reaction (e.g., to plants); and any other locally relevant common causes of papular or vesicular rash.
As per WHO, it is not necessary to obtain negative laboratory results for listed common causes of
rash illness in order to classify a case as suspected.
World Health Organization. (21 May 2022). Multi-country monkeypox outbreak in non-endemic countries.
https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON385
Case Deļ¬nition: Monkeypox in Non-endemic Countries
Probable Case
A person meeting the case deļ¬nition for a suspected case AND
One or more of the following:
ā— has an epidemiological link (face-to-face exposure, including health care workers without respiratory protection; direct
physical contact with skin or skin lesions, including sexual contact; or contact with contaminated materials such as
clothing, bedding or utensils) to a probable or conļ¬rmed case of monkeypox in the 21 days before symptom onset;
ā— reported travel history to a monkeypox endemic country in the 21 days before symptom onset;
ā— has had multiple sexual partners in the 21 days before symptom onset.
Conļ¬rmed Case
A case meeting the deļ¬nition of either a suspected or probable case and is laboratory conļ¬rmed for monkeypox virus by
detection of unique sequences of viral DNA either by real-time polymerase chain reaction (PCR) and/or whole genome
sequencing (WGS).
Close Contact
A contact is deļ¬ned as a person who, in the period beginning with the onset of the source caseā€™s ļ¬rst symptoms, and
ending when all scabs have fallen oļ¬€, has had one or more of the following exposures with a probable or conļ¬rmed case of
monkeypox:
ā— face-to-face exposure (including health care workers without appropriate PPE);
ā— direct physical contact, including sexual contact;
ā— contact with contaminated materials such as clothing or bedding.
Discarded Case
A case meeting the deļ¬nition of either a suspected or a probable case but tested negative for monkeypox virus through
RT-PCR or WGS.
Monkeypox Case Investigation Form (CIF) (ICD 10 ā€“CM Code: B04)
Guidelines for Public Health Surveillance
For Human ā— Monkeypox shall be classified as a Notifiable Disease
ā— All primary care providers, clinicians, public health authorities, points of entry, and
institutions/offices shall notify the DOH of any suspect, probable, or confirmed case
within 24 hours of detection;
ā— Reporting of cases or contacts shall utilize the Case Investigation Form (CIF)
ā— Case investigation shall focus on:
i. Exposure investigation (back tracing) within 21 days prior to symptom
onset;
ii. Characterization of clinical presentation; and
iii. Tracing and profiling of identified contacts.
ā— Contacts shall be quarantined and closely monitored at least a period of 21 days
from the last contact with a patient or their contaminated materials during the
infectious period.
For Animals ā— Shipments of rats and primates shall be strictly monitored by the Department of
Agriculture (DA), Department of Environment and Natural Resources (DENR),
and Bureau of Customs (BOC) for animals with monkeypox symptoms.
Laboratory Testing
ā— Laboratory conļ¬rmation of monkeypox shall be done through Reverse Transcription
Polymerase Chain Reaction (RT-PCR) and/or whole-genome sequencing of skin lesion
samples and other samples, as may be included in future policies.
a. Two samples shall be collected and shall need to have suļ¬ƒcient volume to be able to
accommodate parallel testing for diļ¬€erential diagnosis and whole-genome sequencing
(WGS);
b. Sample collection guidelines can be found in Annex C of the Department Memorandum
c. Samples for WGS must be coordinated with the EB through the Regional
Epidemiology and Surveillance Unit (RESU) for processing either at RITM or the
University of the Philippines-Philippine Genome Center (UP-PGC);
d. The second sample shall be sent to RITM for conļ¬rmatory testing through RT-PCR;
e. The RITM may opt to send out samples for PCR conļ¬rmation by its partner facility in
Australia.
Sample Collection
MS. GLAZEL NOROƑA
Science Research Specialist
Research Institute for Tropical Medicine (RITM)
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
BIOSAFETY MEASURES
ā€¢Use of adequate standard operating procedures (SOPs)
ā€¢Properly trained laboratory personnel
ā€¢All specimens collected for laboratory investigations
-potentially infectious
-handled with caution
ā€¢Minimize the risk of laboratory transmission based on risk
assessment
Any individual meeting the
definition for a suspected case
should be offered testing
SPECIMEN COLLECTION
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.p
df
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
SPECIMEN PACKAGING
WHO_MOOC_Monkeypox_Module2_Unit_B_EN-6.pdf
SAMPLE REFERRAL TO RITM
DETAILS NEEDED:
a. Date of Request
b. Region
c. Referring institution/ESU
d. Requesting physician/health worker
e. Outbreak details: Number of cases, location
f. Suspected pathogen
g. Test requested
h. Purpose (i.e. confirmatory testing for outbreak investigation)
i. Specimen type and total number sent
j. Expected date of arrival in testing laboratory
k. Courier (if applicable) including tracking number
l. Shipperā€™s name, signature, position, institution/agency and contact information
DOCUMENTS REQUIRED
a. Completely filled-out
Case Investigation Form
(CIF)/ Case Report Form (CRF)
b. Linelist of referred samples
WHEN SENDING SHIPMENT TO RITMā€¦
For Monkeypox Sample, address shipment to:
MS. JUNE C. CARANDANG
Surveillance and Response Unit
Research Institute for Tropical Medicine
9002 Research Drive Filinvest Corporate City Alabang Muntinlupa
SCHEDULES FOR PICKUP OF SAMPLES
Outbreak Samples/EREID Samples
Daily (Monday-Sunday)
Cut off: 3:00 PM PST
Specimen Quality
(Non-Compliance with Specimen Requirements)
ā— Inappropriate specimen type for the requested test
ā— Insufficient quantity
ā— Leaking/broken container
ā— Suspicion of contamination or tampering
ā— Inappropriate transport or storage
ā— Unknown time delay
ā— Sample deterioration e.g. hemolysis for serologic samples; bacterial
overgrowth or contamination)
ā— Unlabeled or illegibly labeled specimen
Specimen Information
(Non-Compliance with Document Requirements)
ā—Incomplete documents
ā—Missing information in documents
Specimen Coordination
(Non-Compliance with communication/
Coordination Requirements)
ā—Testing laboratory is not notified of the shipment
ā—There is no documented acknowledgement by the testing
laboratory of acceptance of the specimen
RITM SURVEILLANCE AND RESPONSE UNIT
ā€¢RITM LANDLINE - (02) 8807-2631 local 412
ā€¢SMART ā€“ 0919-9279197
ā€¢GLOBE ā€“ 09153578603
LABORATORY TESTING
1. PCR Testing
2. Metagenomic Sequencing
PCR WORKFLOW IN SPL
RELEASING AND REPORTING OF RESULTS
RITM SRU
ā€¢ shall forward the results to the RESU and EB as soon as
available.
ā€¢ The RESU shall provide the result to the referring
institution.
REFERENCES
1. World Health Organization (21 May 2022). Disease Outbreak News; Multi-country
monkeypox outbreak in non-endemic countries. Available at:
https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON385
2. Monkeypox WHO factsheet. https://www.who.int/news-room/fact-sheets/detail/monkeypox
3. Monkeypox testing. https://cnphi.canada.ca/gts/reference-diagnostic-test/5030?labId=1021
4. WHO Online course on Monkeypox. https://openwho.org/courses/monkeypox-intermediate
5. Specimen collection procedures for monkeypox.
https://www.cdc.gov/smallpox/lab-personnel/specimen-collection/specimen-collection-proc
edures.html#tonsillar
6. Specimen transport procedures for monkeypox.
https://www.cdc.gov/smallpox/lab-personnel/specimen-collection/specimen-collection-tran
sport.html
7. Specimen submission procedures for monkeypox.
https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10515
PDITR Measures
DR. JOSE GERARD B. BELIMAC
Medical Officer V, Division Chief
Adult Health Division and
Evidence Generation and Management Division
Disease Prevention and Control Bureau- DOH
PDITR Measures
PREVENT DETECT ISOLATE TREAT REINTEGRATE
ā— Avoid contact with:
- animals that could
harbor the virus
- any materials,
such as bedding,
that has been in
contact with a sick
animal
ā— Isolate infected
patients from others
who could be at risk
for infection
ā— Practice good hand
hygiene after contact
with infected animals
or humans.
ā— Use personal
protective equipment
(PPE) when caring for
patients
ā— Vaccination
Contact Tracing
Case-patients should be
interviewed to elicit
names and contact
information of all such
persons. Contacts should
be notiļ¬ed within 24
hours of identiļ¬cation
Testing
ā— PCR Testing
ā— Metagenomic
Sequencing
ā— Diļ¬€erential Testing
Processing of specimen
collected shall be through
RITM or Philippine
Genome Center (PGC)
Infection Control:
Hospital
- Negative Air Pressure
- Private Room
- minimize exposure to
surrounding persons
Infection Control: Home
- Isolate in a room or
area separate from
other family members
- should not leave the
home except as
required for follow-up
medical care
- Pets should be
excluded from the ill
personā€™s environment
ā— Supportive
Management
ā— Antivirals
ā— Observe infection
control
ā— Issuance of
Clearance to work
ā— Constant
implementation of
the MPHS
https://www.cdc.gov/poxvirus/monkeypox/prevention.html
Border Surveillance and
Control
DR. CARLOS DELA REYNA, JR.
International Health Surveillance Division
Bureau of Quarantine
Border Surveillance and Border Control
BOQā€™s OneHealthPass
ā€¢ An online registration platform for arriving
traveler
ā€¢ Electronic Health Declaration Checklist (eHDC)
ā€¢ Prior to arrival, we are able to know:
ā€¢ Passengerā€™s information
ā€¢ Medical Status
ā€¢ Travel History
ā€¢ Declaration of possible exposure
www.onehealthpass.com.ph
Border Surveillance and Border Control
ā€¢ Last May 20, 2022, DOH Sec.
Duque instructed BOQ Dir.
Salcedo to heighten the alert
level at POEs for Monkeypox.
ā€¢ Dir. Salcedo ordered all BOQ
Stations to conduct stringent
screening for Monkeypox.
ā€¢ BOQ issued guides to all
stations.
ā€¢ Assessment of Risk of
Importation was conducted
through Flight Mapping.
Heightened Alert at All Points-of-Entry
Border Surveillance and Border Control
Immigration Reminders for Filipinos Traveling to
Monkeypox Affected Countries
MR. MARLON LIMJAP
Deputy for Operations NAIA Terminal 1
Bureau of Immigration
Reminders:
1. Refrain from traveling to the abovementioned affected countries if
possible;
2. If passenger cannot refrain from traveling to said affected countries,
then health protocols must be observed such as:
ā— Proper wearing of masks;
ā— Frequent handwashing; and
ā— Social Distancing;
3. Continuous coordination with Bureau of Quarantine and other
related government agencies.
ā€¢ The Bureau of Immigration is an implementing agency of
DOH-IATF issuances. The Bureau adheres to IATF
Resolutions and issuances in crafting its policies during
this time of pandemic.
ā€¢ The decision-making of the Bureau of Immigration in the
airport setting is guided by agencies such as the Bureau
of Quarantine (BOQ), who has expertise in the medical
field.
ā€¢ Travel protocol and policies are screened by BOQ before
Immigration assessment commences.
The Philippine Strategy on fight
against diseases
ā€¢ The Bureau of Immigration shall incoporate in our present
policy the Department of Health (DOH) instructions on
monkeypox.
ā€¢ At present, the Philippines has adopted a four-door strategy in
intensifying border control to prevent the entry of monkeypox
virus into the country.
ā€¢ The Bureau of Immigration is the implementing arm which
provides travel restrictions and bans as a separate and
primary level of defense to supplement the currently
implemented health protocols.
Monkeypox in Animal
DR. FEDELINO MALBAS, JR.
Head, Veterinary Research Department
Research Institute for Tropical Medicine (RITM)
68
RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Etiology
ā€¢ Monkeypox is a pox diseases of nonhuman primates
similar to variola in man
ā€¢ MP is a zoonotic disease
ā€¢ Belongs to Genus Orthopoxvirus related to variola
(smallpox) vaccinia,cowpox,buļ¬€alo pox and camelpox
viruses .
ā€¢ Old , new world monkeys and arthropod apes can be
aļ¬€ected
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Etiology
ā€¢ It was also isolated from wild squirrel
(Funisciurus anerythrus )Zaire/ Congo in 1986
ā€¢ The natural reservoir of monkeypox remains
unknown;however,African rodents and
primates may harbor the virus and infect
people
69
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Monkeypox
ā€¢ 1959- the ļ¬rst known outbreak in monkeys
was reported at the Statens Seruminstitut
Copenhagen/Denmark
ā€¢ 1976- additional outbreaks in captive
primates have occurred in Paris
70
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Virus
ā€¢ It is rectangular virus of typical pox virus
structure and of 200 to 250 nano meter size
ā€¢ Resistant to ether and relatively resistant to
cold
71
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
ā€¢ Monkeypox is endemic in the African tropical
rain forest particularly in Congo,Zaire ,West
and Central Africa
ā€¢ The virus has repeatedly caused human
infections
72
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Transmission
ā€¢ The monkeypox virus can be transmitted to
humans in bites from animals ,aerosols or by
direct contact with lesions ,blood or body
ļ¬‚uids from an infected persons or animals .
ā€¢ Most cases are zoonotic and occur after
contact with infected animal
ā€¢ Can be spread on fomites
73
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Transmission
ā€¢ Aerogenous transmission is considered to be the main
route of transmission between nonhuman primates and
probably also to other species like man or as in one case in
ant eaters (Myrmecophaga tridactyla)
ā€¢ The route of transmission in animals is less well
understood . The virus maybe transmitted through
aerosols through skin abrasions or by the ingestions of
infected tissues /meat
74
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Pathogenicity
ā€¢ Initial multiplication of the monkey pox virus
occurs in local cellular components ,most
probably in ļ¬xed or wandering connective
tissue cells
ā€¢ In experimentally infected Macacca
fascicularis a constant viremia appeared
between the 23rd
and 4th
day P.I.
75
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
NHP : Diļ¬€erences exist in the susceptibility of
the diļ¬€erent host species. Anthropod apes are
usually more severely aļ¬€ected than monkeys ,
while cynomolgus monkeys suļ¬€er more than
rhesus monkeys.
ā€¢ After an incubation period of usually 3 to 4
days a sharp temperature rise heralds the
onset of the disease .
76
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
ā€¢ Animals become anxious with older ones
ā€¢ Aggressive
ā€¢ Anorexia
ā€¢ With behavioral abnormalities such:
- sucking on ļ¬ngers
- inļ¬‚ammation of the lips
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
As to development of the pocks (sores) two
types of lesions can be distinguished:
1st
type of lesion
ā€¢ Acute marked facial edema
ā€¢ Ulceration in mucous membranes and
papule formation
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
1st
type of lesion
ā€¢ General lymphadenopathy ,respiratory distress
ā€¢ Death from asphyxia
ā€¢ Arthropod apes are especially prone to such
severe infection (chimps,gorilla
orangutan,bonobo)
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
2nd
type of lesion
ā€¢ Infection occurs as a benign cutaneous eruption
ā€¢ 7-8 days after experimental infection itching and
vesicular exanthema are common
ā€¢ Occasional coughing and mucopurulent nasal
discharge indicate the presence of early lesions in
the respiratory tract
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical symptoms
2nd
type of lesion
ā€¢ Ist typical pocks appears as papules of 1 to 4 mm.in
diameter
ā€¢ Develop into pustules containing thick purulent
material
ā€¢ Vesicles become umbilicated & covered by crusts or
scabs
ā€¢ Desquamation of scabs or crusts within 7 to 10 days
& small scars remain
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Clinical Symptoms
Most common sites of pocks/sore formation in monkeys
ā€¢ Buttocks
ā€¢ Hands
ā€¢ Feet
ā€¢ Mucous membrane of the tongue
ā€¢ Oral cavity
ā€¢ Pharynx ,larynx,trachea
ā€¢ Spleen,tonsils, lymph nodes testes and ovaries
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Infection in other Animals
Rabbits Rodents and Prarie Dogs initial signs
ā€¢ Fever
ā€¢ Conjunctivitis
ā€¢ Nasal discharge
ā€¢ Cough
ā€¢ Lymphadenopathy
ā€¢ Anorexia
ā€¢ Lethargy
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RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Infection ā€¦
Animals may then develop the following:
ā€¢ Nodular rash
ā€¢ Pustules
ā€¢ Patchy alopecia
ā€¢ Presence of pneumonia
The veterinarians should consider those signs.
84
85
RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Treatment
ā€¢ Treatment is mainly supportive
ā€¢ Antiretroviral drug cidofovir is eļ¬€ective in vitro
animal studies
ā€¢ Prevention of secondary infection using
antibiotics in NHP
ā€¢ Endangered animals can be protected/useful by
variola ā€“vaccination
85
86
RESEARCH INSTITUTE FOR TROPICAL MEDICINE
Way Forward
ā€¢ Avoiding contact with infected animals ( dead or sick animals).
ā€¢ Avoiding contact with bedding and other materials contaminated
with the virus.
ā€¢ Washing your hands with soap and water after coming into
contact with an infected animal.
ā€¢ Cook foods thoroughly that contains animal meat or parts .
ā€¢ Avoid contact with people who may be infected with the virus.
ā€¢ PPE when caring for people or animals infected with the virus.
ā€¢ Shipment of rats and NHP shall be strictly monitored by
DA-BAI,DENR and BOC for animals with MP symptoms.
86
87
RESEARCH INSTITUTE FOR TROPICAL MEDICINE
References
87
ā€¢ Manfred Brack.Agents Transmissible from Simians to Man .Springer ā€“Verlag Berlin
Heidelberg New York London Paris Tokyo;Spring 1987 pp.10-17
ā€¢ Interim case definition for Animal Cases of Monkeypox . ā€˜ā€™Centers for Disease Control
and Prevention (CDC)June 2003 ,30 June 2003
ā€¢ Baskin, G.B. ā€œPathology of nonhuman primates.ā€ Primate Info Net. Feb 2002 Wisconsin
Primate Research Center. 27 June 2003
<http://www.primate.wisc.edu/pin/pola6-99.html>
ā€¢ Baxby, D. ā€œPoxviruses.ā€ In Medical Microbiology. 4 th ed.Edited by Samuel Baron .
New York; Churchill Livingstone, 1996. 27 June 2003
<http://www.gsbs.utmb.edu/microbook/ch069.htm>
ā€¢ Schoeb, T.R. ā€œDiseases of laboratory primates.ā€ 27 June 2003
<http://netvet.wustl.edu/species/primates/primate1.txt>.
Link to the Facebook Town Hall
Session
https://www.facebook.com/230411089125671/videos/280086930926077

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Monkeypox Facts 2022.pdf

  • 2. Topic Outline 1. Risk Factors, Signs & Symptoms, and Transmission 2. Diagnosis and Treatment 3. Epidemiology, Case Definition, Global Situation, and Surveillance - Sample Coordination 4. Sample Collection 5. PDITR Measures 6. Border Surveillance and Control 7. Immigration Reminders for Filipinos Traveling to Monkeypox Affected Countries 8. Monkeypox in Animal
  • 3. Risk Factors, Signs & Symptoms, and Transmission DR. MARK PASAYAN Philippine Society for Microbiology & Infectious Diseases (PSMID)
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13. Diagnosis and Treatment DR. ARTHUR DESSI ROMAN Philippine Society for Microbiology & Infectious Diseases (PSMID)
  • 14. Diagnosis ā€¢ Laboratory confirmation is necessary. ā€¢ Rule out other rash illnesses ā€¢ Chickenpox ā€“ Varicella IgM/IgG ā€¢ Measles ā€“ Measles IgM/IgG ā€¢ Bacterial skin infections ā€“ GS CS ā€¢ Scabies ā€“ characteristic ā€burrowsā€ ā€¢ Syphilis ā€“ palms and soles involvement, RPR/VDRL, TPPA ā€¢ Medication-associated allergies
  • 15. Diagnosis: What specimens to send? ā€¢ Vesicular or pustular fluid aspirate ā€¢ Crust or roof of skin lesion ā€¢ Skin or tissue
  • 16. What is the preferred test to diagnose monkeypox infection? PCR is the preferred test to indicate the presence of the virus in the skin lesions
  • 17. Diagnostic Tests Used for Monkeypox Polymerase Chain Reaction (PCR) assay Viral Isolation by Cell Culture Enzyme-linked Immune Sorbent Advantages ā€¢ Preferred test ā€¢ Indicate the presence of the virus ā€¢ Can be used alone, or in combination with sequencing ā€¢ GeneXpert MPX/OPX assay is highly sensitive and specific compared to real-time quantitative MPX PCR assays (gold standard) Indicate the presence of the virus ā€¢ Detect exposure to the virus ā€¢ IgM-based serology to determine recent exposure ā€¢ Paired sera analysis to determine recent infection Disadvantages ā€¢ No commercial PCR kits available ā€¢ Cartridge, primers and probes not ā€¢ yet available locally ā€¢ Limited to high-level facilities with expertise and equipment (e.g. US CDC) ā€¢ Not yet available locally ā€¢ Cross-reactivity between orthopoxvirus species ā€¢ Not yet available locally https://www.who.int/news-room/fact-sheets/detail/monkeypox
  • 18. Diagnostic Tests Used for Monkeypox ā€¢Other diagnostic assays: ā€¢ Whole Genome Sequencing ā€¢ Electron microscopy: Brick-shaped poxvirus ā€¢Histopathology: ballooning degeneration of keratinocytes, prominent spongiosis, dermal edema, and acute inflammationšŸ”Ŗ non-specific
  • 19. Ancillary Diagnostic Tests Ancillary test results are non-specific abnormalities (AST, ALT, leukocytosis, mild thrombocytopenia, and hypoalbuminemia) ā€¢ Recommended: CBC, crea, AST, ALT ā€¢ If with significant GI losses: Na, K ā€¢ Other differentials: Varicella IgM/IgG, HSV PCR as needed
  • 20. Treatment ā€¢ Supportive care ā€“ antipyretics, hydration if with losses ā€¢ Keep skin clean, dry with lesions covered with sterile wound dressing. ā€¢ Change bed linens at regular intervals. ā€¢ Antibacterial treatment ā€“ if with superimposed bacterial infection ā€¢ Cloxacillin or clindamycin
  • 21. ā€¢ No proven antiviral therapy. ā€¢ Use of current Antivirals based on animal models and dose studies in healthy humans ā€¢ Data not available on effectiveness of antivirals for human monkeypox and its complications ā€¢ Can be used for control of outbreak or for severe cases ā€¢ Could only be used under Investigational New Drug (IND) or Emergency Use Authorization (EUA) protocol ā€¢ Currently, no strong recommendation for use from any international guidance. RITM Management Protocol for Monkeypox 23 May 2022 [DRAFT] Use of Antivirals
  • 22. Antivirals against Monkeypox Tecovirimat (US FDA, July 2018) Cidofovir Brincidofovir (US FDA June 2021) Vaccinia immune globulin (VIG) Potent inhibitor of an orthopoxvirus viral protein p37 required for the formation of an infectious virus particle Treatment of choice in patients with severe disease, With or without brincidofovir competitive inhibitor and an alternate substrate for CMV DNA polymerase Analog of cidofovir, inhibits viral DNA polymerase Provides passive immunity, exact MOA not formally known Adult: 40 to <120 kg: 600 mg BID for 14 d ā‰„120 kg: Oral: 600 mg TID for 14 days Pediatric: 13 to <25 kg: 200 mg twice daily for 14 d 25 to <40 kg: 400 mg twice daily for 14 d 40 to <120 kg: same as adult ā‰„120 kg: same as adult 5 mg/kg weekly x 2 weeks then 5 mg/kg every other week <10 kg: 6 mg/kg on Days 1 and 8 (oral solution) 10-48kg: 4 mg/kg on Days 1 and 8 (oral solution) >= 48 kg: 200 mg on Days 1 and 8 (solution and capsule) 6000 U/kg IV Active in monkey models, likely effective in humans Active in vitro an in mouse models Limited published data, some animal models show that it is likely an effective treatment of orthopoxvirus infections Treatment of monkeypox under IND FDA-approved for treatment of adverse reaction to smallpox (vaccinia) vaccine headache, nausea, and abdominal pain Dose dependent proximal tubular injury Inc AST, ALT. GI upset Blackbox warning; increased mortlity at higher, prolonged doses, fetal harm, potential carcinogen
  • 23.
  • 24. Epidemiology, Case Deļ¬nition, Global Situation and Surveillance - Sample Coordination ALETHEA R. DE GUZMAN, MD, MCHM, PHSAE Director IV Epidemiology Bureau- DOH
  • 25. Epidemiology: Monkeypox Outbreak Monkeypox Cases from Non-Endemic Countries reported to the WHO (N=120) (May 13 - 21, 2022) Country No. of Conļ¬rmed Cases No. of Suspect Cases Australia 1-5 - Belgium 1-5 1-5 Canada 1-5 11-20 France 1-5 1-5 Germany 1-5 - Italy 1-5 - Netherlands 1-5 - Portugal 21-30 - Spain 21-30 6-10 Sweden 1 -5 - United Kingdom 21-30 - United States 1 -5 - Total 92 28 Monkeypox Cases from Endemic Countries reported to the WHO (N=1,315) Country No. of Conļ¬rmed Cases No. of Deaths Cameroon 25 <5 Central African Republic 6 <5 Democratic Republic of Congo 1238 57 Nigeria 46 0 Reference: WHO (2022). Multi-country monkeypox outbreak in non-endemic countries. https://www.who.int/emergencies/disease-outbreak-news/item/2022- DON385#:~:text=During%20human%20monkeypox%20outbreaks%2 C%20close,factor%20for%20monkeypox%20virus%20infection.
  • 26. Multi-country Monkeypox Outbreak in Non-endemic Countries ā— Previous cases in non-endemic areas are associated with travel ā— From May 13 ā€“ 21, 2022, 92 laboratory conļ¬rmed and 28 suspect Monkeypox cases were reported from 12 non-endemic countries to the WHO ā— No death reported. ā— Majority have been reported amongst men who have sex with men (MSM) seeking care in primary care and sexual health clinics. ā— All laboratory conļ¬rmed cases were detected with West African clade. ā— No established travel links to an endemic area and have presented through primary care, secondary care or sexual health services ā— The identiļ¬cation of conļ¬rmed and suspect cases with no direct travel links to an endemic area is atypical
  • 27. WHO Risk Assessment Actions taken: ā— Ongoing epidemiologic investigation and genomic sequencing to confirm the particular monkeypox virus clade(s) ā— Vaccination, where available, provided to manage close contacts WHO Risk assessment: ā— Infection in non-endemic countries seems to have been locally acquired with circulation occurring amongst MSM. ā— The extent of local transmission is unclear at this stage and there is the high likelihood of identification of further cases with unidentified chains of transmission. ā— With three countries reporting cases of monkeypox in this population group within a few days, it is therefore highly likely that other countries may find similar situations. WHO Advice: ā— Intensive public health measures should continue in countries reporting cases. ā— Further spread in other Member States is likely, thus, any patient with suspected monkeypox should be investigated and isolated during the presumed and known infectious periods, that is during the prodromal and rash stages of the illness, respectively.
  • 28. Aligning with the Four-Door Strategy
  • 29. Aligning with the Four-Door Strategy
  • 30. Case Deļ¬nition: Monkeypox in Non-endemic Countries Suspected Case A person of any age presenting with an unexplained acute rash AND One or more of the following signs or symptoms: ā— Headache; ā— Acute onset of fever (>38.5Ā°C); ā— Myalgia; ā— Back pain; ā— Asthenia; ā— Lymphadenopathy; AND For which the following common causes of acute rash do not explain the clinical picture: varicella zoster, herpes zoster, measles, herpes simplex, bacterial skin infections, disseminated gonococcal infection, primary or secondary syphilis, chancroid, lymphogranuloma venereum, granuloma inguinale, molluscum contagiosum, allergic reaction (e.g., to plants); and any other locally relevant common causes of papular or vesicular rash. As per WHO, it is not necessary to obtain negative laboratory results for listed common causes of rash illness in order to classify a case as suspected. World Health Organization. (21 May 2022). Multi-country monkeypox outbreak in non-endemic countries. https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON385
  • 31. Case Deļ¬nition: Monkeypox in Non-endemic Countries Probable Case A person meeting the case deļ¬nition for a suspected case AND One or more of the following: ā— has an epidemiological link (face-to-face exposure, including health care workers without respiratory protection; direct physical contact with skin or skin lesions, including sexual contact; or contact with contaminated materials such as clothing, bedding or utensils) to a probable or conļ¬rmed case of monkeypox in the 21 days before symptom onset; ā— reported travel history to a monkeypox endemic country in the 21 days before symptom onset; ā— has had multiple sexual partners in the 21 days before symptom onset. Conļ¬rmed Case A case meeting the deļ¬nition of either a suspected or probable case and is laboratory conļ¬rmed for monkeypox virus by detection of unique sequences of viral DNA either by real-time polymerase chain reaction (PCR) and/or whole genome sequencing (WGS). Close Contact A contact is deļ¬ned as a person who, in the period beginning with the onset of the source caseā€™s ļ¬rst symptoms, and ending when all scabs have fallen oļ¬€, has had one or more of the following exposures with a probable or conļ¬rmed case of monkeypox: ā— face-to-face exposure (including health care workers without appropriate PPE); ā— direct physical contact, including sexual contact; ā— contact with contaminated materials such as clothing or bedding. Discarded Case A case meeting the deļ¬nition of either a suspected or a probable case but tested negative for monkeypox virus through RT-PCR or WGS. Monkeypox Case Investigation Form (CIF) (ICD 10 ā€“CM Code: B04)
  • 32. Guidelines for Public Health Surveillance For Human ā— Monkeypox shall be classified as a Notifiable Disease ā— All primary care providers, clinicians, public health authorities, points of entry, and institutions/offices shall notify the DOH of any suspect, probable, or confirmed case within 24 hours of detection; ā— Reporting of cases or contacts shall utilize the Case Investigation Form (CIF) ā— Case investigation shall focus on: i. Exposure investigation (back tracing) within 21 days prior to symptom onset; ii. Characterization of clinical presentation; and iii. Tracing and profiling of identified contacts. ā— Contacts shall be quarantined and closely monitored at least a period of 21 days from the last contact with a patient or their contaminated materials during the infectious period. For Animals ā— Shipments of rats and primates shall be strictly monitored by the Department of Agriculture (DA), Department of Environment and Natural Resources (DENR), and Bureau of Customs (BOC) for animals with monkeypox symptoms.
  • 33. Laboratory Testing ā— Laboratory conļ¬rmation of monkeypox shall be done through Reverse Transcription Polymerase Chain Reaction (RT-PCR) and/or whole-genome sequencing of skin lesion samples and other samples, as may be included in future policies. a. Two samples shall be collected and shall need to have suļ¬ƒcient volume to be able to accommodate parallel testing for diļ¬€erential diagnosis and whole-genome sequencing (WGS); b. Sample collection guidelines can be found in Annex C of the Department Memorandum c. Samples for WGS must be coordinated with the EB through the Regional Epidemiology and Surveillance Unit (RESU) for processing either at RITM or the University of the Philippines-Philippine Genome Center (UP-PGC); d. The second sample shall be sent to RITM for conļ¬rmatory testing through RT-PCR; e. The RITM may opt to send out samples for PCR conļ¬rmation by its partner facility in Australia.
  • 34. Sample Collection MS. GLAZEL NOROƑA Science Research Specialist Research Institute for Tropical Medicine (RITM)
  • 36. BIOSAFETY MEASURES ā€¢Use of adequate standard operating procedures (SOPs) ā€¢Properly trained laboratory personnel ā€¢All specimens collected for laboratory investigations -potentially infectious -handled with caution ā€¢Minimize the risk of laboratory transmission based on risk assessment
  • 37. Any individual meeting the definition for a suspected case should be offered testing
  • 45. SAMPLE REFERRAL TO RITM DETAILS NEEDED: a. Date of Request b. Region c. Referring institution/ESU d. Requesting physician/health worker e. Outbreak details: Number of cases, location f. Suspected pathogen g. Test requested h. Purpose (i.e. confirmatory testing for outbreak investigation) i. Specimen type and total number sent j. Expected date of arrival in testing laboratory k. Courier (if applicable) including tracking number l. Shipperā€™s name, signature, position, institution/agency and contact information
  • 46. DOCUMENTS REQUIRED a. Completely filled-out Case Investigation Form (CIF)/ Case Report Form (CRF) b. Linelist of referred samples
  • 47. WHEN SENDING SHIPMENT TO RITMā€¦ For Monkeypox Sample, address shipment to: MS. JUNE C. CARANDANG Surveillance and Response Unit Research Institute for Tropical Medicine 9002 Research Drive Filinvest Corporate City Alabang Muntinlupa
  • 48. SCHEDULES FOR PICKUP OF SAMPLES Outbreak Samples/EREID Samples Daily (Monday-Sunday) Cut off: 3:00 PM PST
  • 49. Specimen Quality (Non-Compliance with Specimen Requirements) ā— Inappropriate specimen type for the requested test ā— Insufficient quantity ā— Leaking/broken container ā— Suspicion of contamination or tampering ā— Inappropriate transport or storage ā— Unknown time delay ā— Sample deterioration e.g. hemolysis for serologic samples; bacterial overgrowth or contamination) ā— Unlabeled or illegibly labeled specimen
  • 50. Specimen Information (Non-Compliance with Document Requirements) ā—Incomplete documents ā—Missing information in documents
  • 51. Specimen Coordination (Non-Compliance with communication/ Coordination Requirements) ā—Testing laboratory is not notified of the shipment ā—There is no documented acknowledgement by the testing laboratory of acceptance of the specimen
  • 52. RITM SURVEILLANCE AND RESPONSE UNIT ā€¢RITM LANDLINE - (02) 8807-2631 local 412 ā€¢SMART ā€“ 0919-9279197 ā€¢GLOBE ā€“ 09153578603
  • 53. LABORATORY TESTING 1. PCR Testing 2. Metagenomic Sequencing
  • 55. RELEASING AND REPORTING OF RESULTS RITM SRU ā€¢ shall forward the results to the RESU and EB as soon as available. ā€¢ The RESU shall provide the result to the referring institution.
  • 56. REFERENCES 1. World Health Organization (21 May 2022). Disease Outbreak News; Multi-country monkeypox outbreak in non-endemic countries. Available at: https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON385 2. Monkeypox WHO factsheet. https://www.who.int/news-room/fact-sheets/detail/monkeypox 3. Monkeypox testing. https://cnphi.canada.ca/gts/reference-diagnostic-test/5030?labId=1021 4. WHO Online course on Monkeypox. https://openwho.org/courses/monkeypox-intermediate 5. Specimen collection procedures for monkeypox. https://www.cdc.gov/smallpox/lab-personnel/specimen-collection/specimen-collection-proc edures.html#tonsillar 6. Specimen transport procedures for monkeypox. https://www.cdc.gov/smallpox/lab-personnel/specimen-collection/specimen-collection-tran sport.html 7. Specimen submission procedures for monkeypox. https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10515
  • 57. PDITR Measures DR. JOSE GERARD B. BELIMAC Medical Officer V, Division Chief Adult Health Division and Evidence Generation and Management Division Disease Prevention and Control Bureau- DOH
  • 58. PDITR Measures PREVENT DETECT ISOLATE TREAT REINTEGRATE ā— Avoid contact with: - animals that could harbor the virus - any materials, such as bedding, that has been in contact with a sick animal ā— Isolate infected patients from others who could be at risk for infection ā— Practice good hand hygiene after contact with infected animals or humans. ā— Use personal protective equipment (PPE) when caring for patients ā— Vaccination Contact Tracing Case-patients should be interviewed to elicit names and contact information of all such persons. Contacts should be notiļ¬ed within 24 hours of identiļ¬cation Testing ā— PCR Testing ā— Metagenomic Sequencing ā— Diļ¬€erential Testing Processing of specimen collected shall be through RITM or Philippine Genome Center (PGC) Infection Control: Hospital - Negative Air Pressure - Private Room - minimize exposure to surrounding persons Infection Control: Home - Isolate in a room or area separate from other family members - should not leave the home except as required for follow-up medical care - Pets should be excluded from the ill personā€™s environment ā— Supportive Management ā— Antivirals ā— Observe infection control ā— Issuance of Clearance to work ā— Constant implementation of the MPHS https://www.cdc.gov/poxvirus/monkeypox/prevention.html
  • 59. Border Surveillance and Control DR. CARLOS DELA REYNA, JR. International Health Surveillance Division Bureau of Quarantine
  • 60. Border Surveillance and Border Control BOQā€™s OneHealthPass ā€¢ An online registration platform for arriving traveler ā€¢ Electronic Health Declaration Checklist (eHDC) ā€¢ Prior to arrival, we are able to know: ā€¢ Passengerā€™s information ā€¢ Medical Status ā€¢ Travel History ā€¢ Declaration of possible exposure www.onehealthpass.com.ph
  • 61. Border Surveillance and Border Control ā€¢ Last May 20, 2022, DOH Sec. Duque instructed BOQ Dir. Salcedo to heighten the alert level at POEs for Monkeypox. ā€¢ Dir. Salcedo ordered all BOQ Stations to conduct stringent screening for Monkeypox. ā€¢ BOQ issued guides to all stations. ā€¢ Assessment of Risk of Importation was conducted through Flight Mapping. Heightened Alert at All Points-of-Entry
  • 62. Border Surveillance and Border Control
  • 63. Immigration Reminders for Filipinos Traveling to Monkeypox Affected Countries MR. MARLON LIMJAP Deputy for Operations NAIA Terminal 1 Bureau of Immigration
  • 64. Reminders: 1. Refrain from traveling to the abovementioned affected countries if possible; 2. If passenger cannot refrain from traveling to said affected countries, then health protocols must be observed such as: ā— Proper wearing of masks; ā— Frequent handwashing; and ā— Social Distancing; 3. Continuous coordination with Bureau of Quarantine and other related government agencies.
  • 65. ā€¢ The Bureau of Immigration is an implementing agency of DOH-IATF issuances. The Bureau adheres to IATF Resolutions and issuances in crafting its policies during this time of pandemic. ā€¢ The decision-making of the Bureau of Immigration in the airport setting is guided by agencies such as the Bureau of Quarantine (BOQ), who has expertise in the medical field. ā€¢ Travel protocol and policies are screened by BOQ before Immigration assessment commences.
  • 66. The Philippine Strategy on fight against diseases ā€¢ The Bureau of Immigration shall incoporate in our present policy the Department of Health (DOH) instructions on monkeypox. ā€¢ At present, the Philippines has adopted a four-door strategy in intensifying border control to prevent the entry of monkeypox virus into the country. ā€¢ The Bureau of Immigration is the implementing arm which provides travel restrictions and bans as a separate and primary level of defense to supplement the currently implemented health protocols.
  • 67. Monkeypox in Animal DR. FEDELINO MALBAS, JR. Head, Veterinary Research Department Research Institute for Tropical Medicine (RITM)
  • 68. 68 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Etiology ā€¢ Monkeypox is a pox diseases of nonhuman primates similar to variola in man ā€¢ MP is a zoonotic disease ā€¢ Belongs to Genus Orthopoxvirus related to variola (smallpox) vaccinia,cowpox,buļ¬€alo pox and camelpox viruses . ā€¢ Old , new world monkeys and arthropod apes can be aļ¬€ected 68
  • 69. 69 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Etiology ā€¢ It was also isolated from wild squirrel (Funisciurus anerythrus )Zaire/ Congo in 1986 ā€¢ The natural reservoir of monkeypox remains unknown;however,African rodents and primates may harbor the virus and infect people 69
  • 70. 70 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Monkeypox ā€¢ 1959- the ļ¬rst known outbreak in monkeys was reported at the Statens Seruminstitut Copenhagen/Denmark ā€¢ 1976- additional outbreaks in captive primates have occurred in Paris 70
  • 71. 71 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Virus ā€¢ It is rectangular virus of typical pox virus structure and of 200 to 250 nano meter size ā€¢ Resistant to ether and relatively resistant to cold 71
  • 72. 72 RESEARCH INSTITUTE FOR TROPICAL MEDICINE ā€¢ Monkeypox is endemic in the African tropical rain forest particularly in Congo,Zaire ,West and Central Africa ā€¢ The virus has repeatedly caused human infections 72
  • 73. 73 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Transmission ā€¢ The monkeypox virus can be transmitted to humans in bites from animals ,aerosols or by direct contact with lesions ,blood or body ļ¬‚uids from an infected persons or animals . ā€¢ Most cases are zoonotic and occur after contact with infected animal ā€¢ Can be spread on fomites 73
  • 74. 74 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Transmission ā€¢ Aerogenous transmission is considered to be the main route of transmission between nonhuman primates and probably also to other species like man or as in one case in ant eaters (Myrmecophaga tridactyla) ā€¢ The route of transmission in animals is less well understood . The virus maybe transmitted through aerosols through skin abrasions or by the ingestions of infected tissues /meat 74
  • 75. 75 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Pathogenicity ā€¢ Initial multiplication of the monkey pox virus occurs in local cellular components ,most probably in ļ¬xed or wandering connective tissue cells ā€¢ In experimentally infected Macacca fascicularis a constant viremia appeared between the 23rd and 4th day P.I. 75
  • 76. 76 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms NHP : Diļ¬€erences exist in the susceptibility of the diļ¬€erent host species. Anthropod apes are usually more severely aļ¬€ected than monkeys , while cynomolgus monkeys suļ¬€er more than rhesus monkeys. ā€¢ After an incubation period of usually 3 to 4 days a sharp temperature rise heralds the onset of the disease . 76
  • 77. 77 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms ā€¢ Animals become anxious with older ones ā€¢ Aggressive ā€¢ Anorexia ā€¢ With behavioral abnormalities such: - sucking on ļ¬ngers - inļ¬‚ammation of the lips 77
  • 78. 78 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms As to development of the pocks (sores) two types of lesions can be distinguished: 1st type of lesion ā€¢ Acute marked facial edema ā€¢ Ulceration in mucous membranes and papule formation 78
  • 79. 79 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms 1st type of lesion ā€¢ General lymphadenopathy ,respiratory distress ā€¢ Death from asphyxia ā€¢ Arthropod apes are especially prone to such severe infection (chimps,gorilla orangutan,bonobo) 79
  • 80. 80 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms 2nd type of lesion ā€¢ Infection occurs as a benign cutaneous eruption ā€¢ 7-8 days after experimental infection itching and vesicular exanthema are common ā€¢ Occasional coughing and mucopurulent nasal discharge indicate the presence of early lesions in the respiratory tract 80
  • 81. 81 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical symptoms 2nd type of lesion ā€¢ Ist typical pocks appears as papules of 1 to 4 mm.in diameter ā€¢ Develop into pustules containing thick purulent material ā€¢ Vesicles become umbilicated & covered by crusts or scabs ā€¢ Desquamation of scabs or crusts within 7 to 10 days & small scars remain 81
  • 82. 82 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Clinical Symptoms Most common sites of pocks/sore formation in monkeys ā€¢ Buttocks ā€¢ Hands ā€¢ Feet ā€¢ Mucous membrane of the tongue ā€¢ Oral cavity ā€¢ Pharynx ,larynx,trachea ā€¢ Spleen,tonsils, lymph nodes testes and ovaries 82
  • 83. 83 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Infection in other Animals Rabbits Rodents and Prarie Dogs initial signs ā€¢ Fever ā€¢ Conjunctivitis ā€¢ Nasal discharge ā€¢ Cough ā€¢ Lymphadenopathy ā€¢ Anorexia ā€¢ Lethargy 83
  • 84. 84 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Infection ā€¦ Animals may then develop the following: ā€¢ Nodular rash ā€¢ Pustules ā€¢ Patchy alopecia ā€¢ Presence of pneumonia The veterinarians should consider those signs. 84
  • 85. 85 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Treatment ā€¢ Treatment is mainly supportive ā€¢ Antiretroviral drug cidofovir is eļ¬€ective in vitro animal studies ā€¢ Prevention of secondary infection using antibiotics in NHP ā€¢ Endangered animals can be protected/useful by variola ā€“vaccination 85
  • 86. 86 RESEARCH INSTITUTE FOR TROPICAL MEDICINE Way Forward ā€¢ Avoiding contact with infected animals ( dead or sick animals). ā€¢ Avoiding contact with bedding and other materials contaminated with the virus. ā€¢ Washing your hands with soap and water after coming into contact with an infected animal. ā€¢ Cook foods thoroughly that contains animal meat or parts . ā€¢ Avoid contact with people who may be infected with the virus. ā€¢ PPE when caring for people or animals infected with the virus. ā€¢ Shipment of rats and NHP shall be strictly monitored by DA-BAI,DENR and BOC for animals with MP symptoms. 86
  • 87. 87 RESEARCH INSTITUTE FOR TROPICAL MEDICINE References 87 ā€¢ Manfred Brack.Agents Transmissible from Simians to Man .Springer ā€“Verlag Berlin Heidelberg New York London Paris Tokyo;Spring 1987 pp.10-17 ā€¢ Interim case definition for Animal Cases of Monkeypox . ā€˜ā€™Centers for Disease Control and Prevention (CDC)June 2003 ,30 June 2003 ā€¢ Baskin, G.B. ā€œPathology of nonhuman primates.ā€ Primate Info Net. Feb 2002 Wisconsin Primate Research Center. 27 June 2003 <http://www.primate.wisc.edu/pin/pola6-99.html> ā€¢ Baxby, D. ā€œPoxviruses.ā€ In Medical Microbiology. 4 th ed.Edited by Samuel Baron . New York; Churchill Livingstone, 1996. 27 June 2003 <http://www.gsbs.utmb.edu/microbook/ch069.htm> ā€¢ Schoeb, T.R. ā€œDiseases of laboratory primates.ā€ 27 June 2003 <http://netvet.wustl.edu/species/primates/primate1.txt>.
  • 88. Link to the Facebook Town Hall Session https://www.facebook.com/230411089125671/videos/280086930926077