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Abstract
The prevalence of antibodies to hepatitis A virus (anti-HAV) was investigated in 445 outpatients in Iceland in 1987. No difference in anti-HAV prevalence according to sex or residence was found. The prevalence rates were low in persons ≤50 years with a sharp increase in persons ⩽50 years. The prevalence of anti-HAV was now significantly lower in the age groups of 40–49 years and 50–59 years than in 1979 indicating a cohort effect. These findings correspond to a marked decrease in notified cases of hepatitis (epidemic jaundice) after 1950 in Iceland.
