Hepatitis B is a caused by a virus named hepatitis B virus. This virus is similar to hepatitis C as it attacks the liver which in turn becomes a lifelong struggle. This is a very dangerous virus as it causes liver infection, cirrhosis (scarring) of the liver, liver cancer, liver failure and also death. There is no reason to fret as Hepatitis B vaccine is available for all age groups. It is one of the most powerful and a deadly virus to ranks among the top ten killers.
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