[ANTI-HAV IgG PREVALENCE IN A POPULTION BETWEEN 1 AND 39 YEARS OLD IN LIMA,PERU].

The prevalence of Hepatitis A Virus (HAV) in a country largely reflects its standards of hygiene and socio-economic conditions. In The 80's, it was reported 98% positive anti-HAV in adults and 82% in children; the rate increased with age, from 30% in thosed aged 1 year old to 100% in those of 8 years old.From October to December 1999, we performed a Sero-epidemiologic survey to evaluate the presence of Hepatitis A antibody (anti-HAV) in 859 subjects (518 were children and 341 adults), aged fron 1 to 39 years old, divided in two groups according to their socio-economic status (high and very high, low and very low).