USMLE (Fach) / Virology (Lektion)

Vorderseite Hepatitis serologic markers
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Anti-HAV (IgM) – Best test to detect acute hepatitis A.Anti-HAV (IgG) – Indicates prior HAV infection and/or prior vaccination; protects against reinfectino.

HBsAg – Indicates HBV infection.Anti-HBs – Indicates immunity due to vaccination or recovery from infection.HBcAg – Antigen associated with core of HBV.Anti-HBc – IgM = acute/recent infection, IgM anti-HBc may be the sole ⊕ marker of window period; IgG = prior exposure or chronic infection.HBeAg – Secreted by infected hepatocyte into circulation. Not part of mature HBV virion. Indicates active viral replication and therefore high transmissibility and poorer prognosis.Anti-HBe – Indicates low transmissibility.

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