<unk>  is a vaccine against hepatitis A and hepatitis B.<unk>  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.
The CDC reports that clinical trials found the following levels of protection against Hep A and Hep B one month after each dose:
A: 93.8% 98.8% 99.9%
B: 30.8% 78.2% 98.5%
GlaxoSmithKline claims that its studies found 70% of subjects had antibodies against hepatitis B a month after just the first dose, however.<unk> , HAVRIX and ENGERIX-B are registered trademarks of
GlaxoSmithKline; if the same vaccine is available from others, it will have another name.
Twinrix
Ancrod
Carbuncle
Electron shell
Antineoplaston
Heptenophos
Stereocenter
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