PH 30007 Lecture Notes - Lecture 1: Hepatitis B Virus, Blood Bank, Infection

• School: Kent State University
• Department: Public Health
• Course: PH 30007
• Professor: Frank K.Henry- Ala

Document Summary

Is an acute communicable disease of the liver seen world- wide. Period of infectivity 2 weeks before to 1 week after. Age common in younger age (<40) Immunity one attack gives good immunity. A large number of people acquire immunity through sub- onset of jaundice clinical infection in endemic areas water, hands) Mode of transmission feco-oral route (contaminated food, Since there are no antiviral drugs give supportive treatment. Source of infection man (cases and carriers) Infective material blood and blood products mainly (all body fluids may contain virus) Some occupational groups like doctors, nurses, blood bank and laboratory technicians have high risk of getting the disease. Parenteral blood transfusion, sharing of injection. Other sources sexual route needle, injury with contaminated needle, razor etc. In libya all children are immunized against. 3 doses at 2nd, 4th and 6th months as penta vaccine. Use of sterile needles and syringes (use only once)