An example is the hepatitis B vaccine, where Hepatitis B infection is controlled through the use of a recombinant vaccine, which contains a form of the hepatitis B virus surface antigen that is produced in yeast cells.
12.
He is known for his genetic studies of hepatitis viruses; participated as R & D Director in the discovery of hepatitis C virus and the invention of the world's first recombinant vaccine ( against hepatitis B virus ).