Hepatitis A and meningoencephalitis.
D000914:Antibodies, Viral / Q000032:analysis; D003221:Confusion / Q000209:etiology; D006506:Hepatitis A / Q000175:diagnosis*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008590:Meningoencephalitis / Q000134:cerebrospinal fluid* / Q000209:etiology*; D008875:Middle Aged; D011863:Radioimmunoassay
D000914:Antibodies, Viral; D007075:Immunoglobulin M