Wednesday, December 26, 2007

Over 90 per cent of the subjects in the phase 1 trials developed an immune response to HIV

The vaccine is what is known as a genetic vaccine, which uses parts of the virus DNA to stimulate the rapid endogenous production of the proteins for which the injected DNA codes.
The trial subjects were vaccinated on three occasions with this vaccine using a needle-free method of injection. In order to enhance the effect, the researchers also gave the subjects a fourth dose of a vaccine in which parts of the HIV virus DNA had been integrated into another virus (vaccinia = the cowpox virus).

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