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Hepatitis A, Acute
2011 Case Definition

CSTE Position Statement(s)

  • 10-ID-07

Clinical Description

An acute illness with a) discrete onset of symptoms and b) jaundice, dark urine or elevated serum aminotransferase levels (ALT) >200 IU/L

Laboratory Criteria for Diagnosis

Immunoglobulin M (IgM) antibody to hepatitis A virus (anti-HAV) positive

Case Classification

Confirmed

  • A case that meets the clinical case definition and is laboratory confirmed, OR
  • A case that meets the clinical case definition and occurs in a person who has an epidemiologic link with a person who has laboratory-confirmed hepatitis A (i.e., household or sexual contact with an infected person during the 15-50 days before the onset of symptoms)



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