Dreaded diseases that were controlled by vaccines
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Dreaded diseases that were controlled by vaccines
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Hepatitis B

The hepatitis B virus was discovered by Dr. Baruch Blumberg, 1965,  who won the Nobel Prize for his discovery. Originally, the virus was called the "Australia Antigen". The FDA, in the year 1981, approved a plasma-derived hepatitis B vaccine for human use.  Merck Pharmaceuticals manufactured this plasma vaccine and names it "Heptavax". It was the first commercial hepatitis B virus vaccine. However, the use of this vaccine was discontinued in 1990 and is no longer available. The newly approved vaccines are synthetically prepared and do not contain blood products.