Hepatitis A historical perspective

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Hepatitis A virus was first identified in 1973. It was classified as a separate disease from other types of hepatitis during World War II. However, its true prevalence and route of transmission would only be recognized later. During 1995-1996, the Food and Drug Administration (FDA) approved the inactivated hepatitis A vaccines. Consequently, hepatitis A became a disease that was not only common but also vaccine-preventable.