Hepatitis-A

HEPATITISA, B, C, D, E, F, G, non-A-G

Hepatitis A Definition Viral Hepatitis Types:
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011

HEPATITIS

Epidemiology Geographical distribution; Developing countries (Epidemic) patterns Developed countries (Sporadic, Outbreak) Seasonal variation Age distribution Sex distribution
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011


It is estimated that there are 125,000 to 200,000 new HAV infections in the U.S. each year. Of these, 84,000 to 134,000 infections are symptomatic. Each year, approximately 100 deaths are due to HAV (CDC, September, 2000)).
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011

HEPATITIS

Reservoir Mode of Transmission: Feco-oral Sexual Drug abuser Parenteral Period of Communicability:
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011



Transmission of HAV occurs by the fecal-oral route. During outbreaks of a sexual origin, homosexually active males have been identified as a high risk group.
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011

HEPATITIS

Clinical features: Clinical forms Subclinical Clinical:
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011


Clinical features include fatigue, abdominal pain, loss of appetite, intermittent nausea, diarrhea, and jaundice. The disease varies in severity from a mild illness lasting 1 to 2 weeks to a severely disabling disease lasting several months. The severity of the illness appears to increase with age, but complete recovery is the general rule. Mortality has been known to occur in the very young, adults over 50, and persons with chronic liver disease. No chronic infection is known to occur
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011

HEPATITIS

Hepatitis A Methods of Control Preventive measures: Education Water sanitation Food sanitation Proper sewage disposal Vaccination ( for high risk groups)
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011

HEPATITIS

Post-exposure protection Travelers to endemic area Day care centers Those with illegal sex or extramarital sex Suspected see foods should be boiled
Professor Jamal R Al-Rawi, MBChB, MSc, FICMS, 2011