| hepatitis a virus infection and the waste handling industry: a seroprevalence study. | waste collectors have a theoretical risk of hepatitis a virus infection. the aim of the study was to assess the prevalence and risk factors of hepatitis a virus infection (hav) among municipal solid waste workers (mswws) in a municipality of central greece. a seroprevalence study of hav was conducted among 208 employees (100 waste collectors and 108 municipal gardeners) of a municipality in central greece. total antibodies against hav were measured and information regarding potential risk factor ... | 2012 | 23222205 |