the first hepatitis b vaccine was given in 1981.
the first hepatitis b vaccine was given in 1981.
when was the first hepatitis b vaccine given?
1981
the first hepatitis b vaccine was approved in the united states in 1981. a recombinant version came to market in 1986. it is on the world health organization's list of essential medicines, the most effective and safe medicines needed in a health system. as of 2014, the wholesale cost in the developing world is us$0.58–13.20 per dose. in the united states it costs us$50–100.









































section::::medical uses.
hepatitis b vaccine
hepatitis a and b vaccine









































twinrix is a vaccine against hepatitis a and hepatitis b, manufactured by glaxosmithkline. the full generic name is 









































hepatitis a (inactivated) and hepatitis b (rdna) (hab) vaccine (adsorbed). twinrix is administered over three doses.









































the name was created because it is a mixture of two earlier vaccines — havrix, an inactivated-virus hepatitis a vaccine, and engerix-b, a recombinant hepatitis b vaccine. twinrix, havrix and engerix-b are registered trademarks of glaxosmithkline. twinrix first entered the market in early 1997.
hepatitis a and b vaccine