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Hepatitis A

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

  • Acute illness in a person who is epidemiologically linked to a confirmed case.
SOURCE: Hepatitis A ( )
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