Patients with hepatitis A with negative IgM-HA antibody at early stages.
Two patients with acute liver dysfunction who were negative for serum IgM-HA antibody on presentation became positive a week later. At early stages of hepatitis A, serum IgM-HA antibody may be negative. Another assay approximately 2 wk apart is recommended.
Hirata
R
R
Second Department of Internal Medicine, Faculty of Medicine, Tokyo Medical and Dental University, Japan.
Hoshino
Y
Y
Sakai
H
H
Marumo
F
F
Sato
C
C
D000328:Adult; D005260:Female; D006506:Hepatitis A / Q000175:diagnosis* / Q000276:immunology*; D035922:Hepatitis A Antibodies; D006508:Hepatitis Antibodies / Q000032:analysis*; D006507:Hepatovirus / Q000276:immunology*; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D008297:Male
D035922:Hepatitis A Antibodies; D006508:Hepatitis Antibodies; D007075:Immunoglobulin M