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Prevention of Hepatitis A Infection

H A is an acute, usually self-limiting disease of the liver caused by hepatitis A virus (HAV), a genus of picorna virus family. It is a small, 27-nm cubically symmetrical RNA virus. No chronicity was reported with this infection. Most cases present with self limiting acute hepatitis picture; however, occasional cases with cholestatic and relapsing form and rarely fulminant hepatitis have been reported. With development of safe and effective vaccine, this infection can be prevented.