title: Persistence of immunoglobulin M antibody to hepatitis A virus and relapse of hepatitis A infection.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D006506:Hepatitis A / Q000276:immunology*; D035922:Hepatitis A Antibodies; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D012008:Recurrence
chemical_list: D000914:Antibodies, Viral; D035922:Hepatitis A Antibodies; D007075:Immunoglobulin M