8. LATENCY
• THE VIRUS SHOULD SUCCESSFULLY EVADE THE HOST IMMUNE RESPONSE
• MUST BE ABLE TO INSERT ITS GENOME INTO HOST CELL
• GENOME PERSIST IN THE LATENTLY INFECTIOUS CELLS
• EASY FOR NEUROTROPIC HERPESVIRUSES (ALPHAVIRUSES) : INFECT NON-DIVIDING CELLS :
NEURONS
• MORE DIFFICULT FOR LYMPHOTROPIC HERPESVIRUSES( (GAMMAVIRUSES) : INFECT DIVIDING
AND MITOTIC CELLS : B CELLS
10. VIRUS TRANSMISSION
• CLOSE CONTACT :
• SEXUAL CONTACT
• SKIN, GENITALIA OR EYE CONTACT WITH VIRUS FROM HERPETIC
LESIONS
11. PATHOGENICITY
• INCUBATION PERIOD : 2 – 12 D (MOST CASES : 4 D)
• INFECTIOUS PERIOD : FROM ONSET OF CLINICAL SYMPTOMS TO COMPLETE
REMOVAL.
• AT-RISK PEOPLE : ALL INFANTS AND ADULTS WITH IMMUNOCOMPROMIZED
IMMUNITY.