| age-specific seroprevalence of hepatitis a in antananarivo (madagascar). | hepatitis a virus (hav) is an enteric, viral, infectious disease endemic in many developing countries such as madagascar. infection is often subclinical or asymptomatic in children; however, symptomatic acute infections become more common with increasing age. in some developing countries, improvements in living conditions have led to changes in the epidemiological pattern of hav infection. there are very few reports on the prevalence of hav in madagascar. this study was to determine the seroprev ... | 2008 | 18538023 |