Aids Vaccine with Limited Success

World | February 24, 2003, Monday // 00:00

The first Aids vaccine to be tested on humans does not protect the general population, but may protect black and Asian people, a US biotech company has announced. The company, VaxGen, has completed a three-year study involving more than 5,000 volunteers. Initial results show the vaccine only reduced the rate of HIV infection by 3.8%, VaxGen said in a statement. Black and Asian people who were given the vaccine, however, had a 67% lower rate of infection than those who received a placebo shot. But these subgroups were small, which means the results have to be treated with caution.

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