Recombinant hepatitis B vaccine (Recombivax HB by Merck) was licensed
On Jul. 23, 1986, the Recombinant hepatitis B vaccine (Recombivax HB by Merck) was licensed. Using recombinant DNA technology, Merck scientists developed a hepatitis B surface antigen subunit vaccine.
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Source: U.S. Centers for Disease Control and Prevention
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