lecture submitted to healthcare workers ( physicians,dentists,nurses,lab.technicians) to explain the best methods to avoid transmission of hepatitis through health practices

1. Health-care Exposure to Hepatitis & HIV DR. ABDULRAHMAN LOTFY PREVENTIVE MEDICINE -- JAHRA HOSPITAL 13 September 2005

5. HEPATITIS B OCCUPATIONAL HAZARD

10. HB HB

12. ACUTE SEROLOGICAL RESPONCE HBsAg Anti-HBc HBeAg Anti-HBs Anti- HBe INCUBATION 3 months ACUTE INFECTION 6 MONTHS CONVALESCENCE RECOVERY +12 MONTHS HBsAg HBcAb HBeAg HBeAb HBsAb

13. CHRONIC SEROLOGICAL RESPONCE HBsAg HBeAg Anti-HBc INCUBATION 4-12 WEEKS ACUTE INFECTION 6 MONTHS CHRONIC INFECTION YEARS

14. 1 1. recovering from acute HBV infection. 2. distantly immune and test not sensitive enough to detect very low level of anti-HBs in serum. 3. susceptible with a false positive anti-HBc. 4. undetectable level of HBsAg present in the serum and the person is actually a carrier negative positive negative HBsAg anti-HBc anti-HBs chronically infected positive positive negative negative HBsAg anti-HBc IgM anti-HBc anti-HBs acutely infected positive positive positive negative HBsAg anti-HBc IgM anti-HBc anti-HBs immune due to hepatitis B vaccination negative negative positive HBsAg anti-HBc anti-HBs immune due to natural infection negative positive positive HBsAg anti-HBc anti-HBs susceptible negative negative negative HBsAg anti-HBc anti-HBs Interpretation Results Tests Interpretation of the Hepatitis B Panel

15. PREVALENCE OF HBV MARKERS

16. FREQUENCY OF POTENTIAL HEPATITIS B EXPOSURE INCIDENTS

19. LOCATION OF INCIDENTS

27. POST- EXPOSURE PROPHYLAXIS

30. Surveillance sheet used in hospital

31. PROTECTIVE EFFICIENCY

43. www.cdc.gov Referrences

44. THANK YOU