The result: 257 people in the intensive treatment group died, compared with 203 people in the regular treatment group.

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Six monkeys were treated continuously with antiretroviral drugs, a second group was given no treatment and the third group was treated with the drugs on a three weeks on, three weeks off cycle.

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He said there were important clinical implications, as the benefit of the treatment was conferred to the group of patients with the highest risks for cardiovascular events, and the effect persisted, even at a rather late stage of disease.

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