Hepatitis A screening
Hepatitis A |
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Hepatitis A screening On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]
Overview
Screening
The screening for hepatitis A is based on blood tests that search for antibodies for the hepatitis A virus. The test looks for the IgG anti-HAV, which remains elevated after acute disease.[1]
A positive antibody result may indicate: [1]
- Previous HAV infection
- Hepatitis A vaccination
A positive test shows that the person is immune to the disease. [1]
- A negative test shows that the person:
- Has never been infected with the HAV
- Has never been vaccinated against HAV
- Is vulnerable to the HAV infection