Seroprevalence of hepatitis A viral infection in Plovdiv, Bulgaria.

Introduction: Hepatitis A occurs throughout the world, albeit with different endemicity. The level of endemicity is determined for each country from the annual incidence rate and from the age-specific seroprevalence of anti-HAVt.

Aim: To assess the anti-HAVt seroprevalence in 180 people with no hepatitis A history.