WASHINGTON (Reuters) Jul 23 - The U.S. Centers for Disease Control and Prevention said on Tuesday it will soon release long-awaited revised estimates of how many Americans become infected with the AIDS virus every year.

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NEW YORK (Reuters Health) Jul 24 - Although a 6-week course of nevirapine may reduce the immediate risk of HIV transmission in breastfed infants of infected mothers, it does not significantly affect the risk of transmission at 6 months, according to the results of studies conducted in Ethiopia, India, and Uganda.

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NEW YORK (Reuters Health) Jul 24 - People who become infected with HIV in their 20s and 30s can expect to live into their 60s or 70s if they initiate treatment early with combination antiretroviral therapy (cART), according to an article in the July 26 issue of The Lancet by the multinational Antiretroviral Therapy Cohort Collaboration.

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NEW YORK (Reuters Health) Jul 24 - Antiretroviral therapy that reduces plasma viral load to undetectable levels is no guarantee that the HIV-infected individual is no longer infectious, epidemiologists in Australia report in the July 26 issue of The Lancet. They present data suggesting that failure to use condoms following effective treatment could substantially increase sexual transmission of HIV.

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WASHINGTON (Reuters) Jul 25 - The U.S. Congress on Thursday approved a large expansion of a program to fight AIDS and other diseases raging in Africa and elsewhere, sending the measure to President George W. Bush, who is expected to sign it into law.

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NEW YORK (Reuters Health) Jul 25 - Mycobacterium avium-infected macrophages are selectively killed by fludarabine, Italian researchers report. They suggest that antibacterial agents could then be used to eliminate bacteria released from the killed cells.

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July 25, 2008 (Bethesda, Maryland) — The shift in focus for HIV vaccine research “to less product evaluation and more vaccine discovery research will require a more nimble, robust, expandable (and contractible) clinical research infrastructure,” according to a perspective article published in the July 25 issue of Science.

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NEW YORK (Reuters Health) Jul 28 - HIV-infected patients have greater viral rebound and reduced time to resumption of antiretroviral therapy after therapeutic immunization with the ALVAC-HIV vaccine, according to a report in the July 11th AIDS.

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DAR ES SALAAM (Reuters) Jul 28 - Tanzania plans to triple the number of HIV/AIDS patients receiving free life-extending drugs to 440,000 by 2010, the country’s health minister said on Monday.

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NEW YORK (Reuters Health) Jul 31 - From 1991 to 2007, the percentage of US high school students engaging in sexual behaviors that may transmit HIV fell markedly, researchers from the Centers for Disease Control and Prevention report. However, these positive changes were not seen in all student subgroups.

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