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The discovery of immune system particles that attack the AIDS virus may finally open a way to make a vaccine that could protect people against the deadly and incurable infection, U.S. researchers said on Thursday. They used new technology to troll through the blood of 1,800 people infected with the AIDS virus and identified two immune [...] Biologists have discovered that certain key cells in mammals and insects react in the same way when attacked by infections and produce similar chemical reactions to fight them off. The findings could mean up to 80 percent of the mice used for testing new pharmaceutical compounds may no longer be needed, offering drug firms sizeable time [...] |
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