January 22, 1999

Experiment Bolsters Prospect of an AIDS Vaccine

By VINCENT KIERNAN

A new approach for isolating a key protein in the AIDS virus offers fresh hope for an effective vaccine, something that researchers have found difficult to develop through conventional techniques.

A vaccine contains proteins that are also found on the surface of a virus or bacterium. When the body's immune system is exposed to the proteins in the vaccine, the immune system creates antibodies that can be used

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