Case Definition
Confirmed Case
Laboratory confirmation of infection in the absence of recent hepatitis A vaccination by detection of immunoglobulin M antibody to hepatitis A virus (anti-HAV IgM) †, AND
Acute illness with discrete onset of symptoms and jaundice, OR
Acute illness with elevated serum aminotransferase levels, OR
An epidemiologic link to a person with laboratory confirmed hepatitis A infection.
†If available, use IgM from BCCDC PHL to determine case status
Probable Case
