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Vector borne diseases

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The topic explains the infectious diseases , occurrence, prevention and awareness's.
discussion on disease- malaria dengue sistosomiasis cholera etc.,

Veröffentlicht in: Gesundheit & Medizin
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Vector borne diseases

  1. 1. 1
  2. 2. Content • Definition • Major vector borne Diseases • Diseases transmission • Mechanism of transmission • Model of transmission • Discussion of diseases • Conclusion • Bibliography • Presented by 2
  3. 3. Definition • Humans or from animals to humans • Human illness by parasites, viruses & bacteria 3
  4. 4. Major Vector Borne Diseases:- • Malaria • Dengue • Yellow fever • Chikungunya • Schistosomiasis • Chagas Disease • Tick borne rickettsial diseases 4
  5. 5. Disease Transmission 5
  6. 6. 6
  7. 7. Mechanism of transmission of VBD • Transmission, either mechanical or biological processes. • Pathogens, virus, transmitted through Vector fecal or oral route 7
  8. 8. Model of Transmission 8
  9. 9. Discussion on Diseases 1. Malaria :- • Half of the world’s population at risk of malaria • Mosquito-borne infectious disease affecting humans • Symptoms:- fever, tiredness, vomiting, and headaches, yellow skin, seizures, coma, or death Plasmodium parasite in blood cells 9
  10. 10. 10
  11. 11. 2. Dengue fever :- • Mosquito-borne tropical disease caused by the dengue virus • Currently no vaccines • Symptoms:- high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash Dengue virus 11
  12. 12. Prevention :- • Stagnant water bodies. • Mosquito traps and nets • Repellents • Avoid scent • Door & window screen • Clothing • Clean surrounding Mosquito Net Spreading Mosquito killing solvents Cleaning the surroundings of the locality 12
  13. 13. 3.Chikungunya :- • It is also caused by mosquito named ( Aedes albopictus and Aedes aegypti.) • Similar to dengue fever • Symptoms :- Fever, Headache, Muscle pain, rash, swelling around the joints Chikungunya virus 13
  14. 14. Prevention :- • Using insect repellent containing DEET • Wearing clothing that covers the whole body • Staying indoors as much as possible Applying insect repellents Thermal Fogging 14
  15. 15. 4. Schistosomiasis • Known as snail fever and bilharzia • Cause- parasitic flatworms. • parasites are released from infected freshwater snails • Symptoms:- abdominal pain, diarrhea, blood in the urine, etc. • Damage to urinary tract or the intestines Schistosomiasis parasite 15
  16. 16. Prevention • Avoid swimming or wading in freshwater • Drink safe water • Use swimming pools for swimming Picture of schistosomiasis prone area 16
  17. 17. 5.Yellow Fever • It is a deadly flu like disease spread by mosquitoes • Flavivirus causes yellow fever. • Three phase:- Initial phase, acute phase toxic phase. • Symptoms :- headache, muscle ache, joint ache, chills, fever, abdominal pain, vomiting, Flavivirus of yellow fever virus 17
  18. 18. Prevention • Vaccination is the only way to prevent yellow fever • using insect repellant • wearing clothing to reduce mosquito bites Yellow fever mosquito Yellow fever vaccine 18
  19. 19. 6.Cholera • It a type of diarrheal illness • Causes death of about hundred-thousand death • Cholera affect mainly the small intestine • Transmitted through the legs of house fly Picture of house fly Cholera bacteria 19
  20. 20. Conclusion • Vector borne diseases –the greatest mortality for humans • Environmental changes increases spread of diseases • Vector control programs need to adapt to match the changes epidemiological pattern of the new emergence 20
  21. 21. Bibliography • https://www.medicalnewstoday.com/articles/179471.php (27 October 2017, 17:00) • https://www.healthline.com/health (27 October 2017 ,17:25) • http://www.who.int/mediacentre/factsheets/fs387/en/ (28 October 2017, 21:00) • http://www.nvbdcp.gov.in/ (28 October 2017, 22:15) • http://www.ivcc.com/creating-solutions/the- challenges/insect-borne-disease (29 October 2017, 21:30) 21
  22. 22. Presented by:- Subhrajit Roy Thank you Have a good day… 22

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