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Published byRoberta Booker Modified over 6 years ago
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Dr Paul T Francis, MD Community Medicine College of Medicine, Zawia
Viral Hepatitis B Dr Paul T Francis, MD Community Medicine College of Medicine, Zawia
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Viral Hepatitis B Agent factors Hepatitis B virus
Source of infection – Man (cases and carriers) Infective material – Blood and blood products mainly (all body fluids may contain virus)
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Hepatitis B virus particles
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Hepatitis B virus
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Host factors Some occupational groups like doctors, nurses, blood bank and laboratory technicians have high risk of getting the disease
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Mode of transmission Parenteral – blood transfusion, sharing of injection needle, injury with contaminated needle, razor etc. Other sources – sexual route
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Incubation period days
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Prevention and control
Primary prevention Vaccination In Libya all children are immunized against Hepatitis B One dose at birth 3 doses at 2nd, 4th and 6th months as Penta vaccine Testing of blood before transfusion Use of sterile needles and syringes (use only once) Health education
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Prevention and control
Secondary prevention Early diagnosis and treatment Since there is no antiviral drugs supportive therapy to be given
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