The diagnosis of hepatitis A virus (HAV) infection is based on the detection of anti-HAV IgM. Shortcomings of this serological approach include the persistence of IgM after normalization of liver ...

Detection of HAV RNA before IgM anti-HAV seroconversion may be used as an early diagnosis method during hepatitis A outbreaks. HAV RNA testing can also be helpful in elucidating acute hepatitis ...

[who] tested positive for hepatitis A (IgM anti-HAV-positive), and frequented any of three Famous Anthony’s locations, or was a close contact to the index case patient, during the dates of ...