title: Hepatitis-A-virus exposure in the Gambia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000914:Antibodies, Viral / Q000302:isolation & purification; D002353:Carrier State / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D005714:Gambia; D006506:Hepatitis A / Q000276:immunology*; D006507:Hepatovirus / Q000276:immunology*; D006801:Humans
chemical_list: D000914:Antibodies, Viral