T-cell mediated  immunity is thought to play an important role in controlling HIV-1 infection and progression to AIDS and this has become the basis for several candidate vaccines against HIV-1.
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A meta-analysis of 17 studies conducted between 1989 and 2007 analysed the results from studies of circumcised and uncircumcised gay men and HIV infection...
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When medical reports of a novel immunodeficiency syndrome started circulating in 1981, scientists began to search for the causative agent.
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In developing countries the mortality rates among HIV-infected children following a serious bacterial infection remains high, despite the use of antibiotics.
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