title: Acute viral hepatitis A patient with early negative HAV-IGM antibody.
abstract: An acute hepatitis A patient with negative HAV-IgM antibody on presentation is reported. The antibody was measured again 11 days later and became positive. To confirm the diagnosis of hepatitis A with negative HAV-IgM antibody at early stage, the second antibody test approximately 2 weeks apart should be performed.
authors.affiliation: Hospital for Tropical Diseases, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
authors.forename: P
authors.initials: P
authors.lastname: Wilairatana
mesh_terms: D000208:Acute Disease; D000328:Adult; D006506:Hepatitis A / Q000175:diagnosis* / Q000276:immunology; D035922:Hepatitis A Antibodies; D006508:Hepatitis Antibodies / Q000097:blood*; D006801:Humans; D007075:Immunoglobulin M / Q000097:blood*; D008297:Male; D012680:Sensitivity and Specificity; D013785:Thailand
chemical_list: D035922:Hepatitis A Antibodies; D006508:Hepatitis Antibodies; D007075:Immunoglobulin M