| prevalence of antibodies against hepatitis a virus among children and adolescents in germany. | since hepatitis a virus (hav) infection during childhood is mostly asymptomatic, only seroprevalence studies can provide reliable information on incidence of hav infection in children. the prevalence of anti-hav antibodies was determined in sera taken in 2008 to 2010 from 1,645 children aged 0-17 years and in sera taken in 2010-2011 from 400 adult blood donors in germany. for examination of trend over time, 715 sera collected between 1999 and 2006 from children at the age of 0-17 years within th ... | 2013 | 23812435 |