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August 1, 2012 Challenging the view that rabies is always fatal, scientists have discoverd a group of Peruvians who show signs of surviving rabies from vampire bats, despite never being vaccinated for the virus. The findings suggest that some people may become resistant to rabies after they're exposed to it over time.

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July 31, 2012 Since the World Health Organization reported an Ebola outbreak in Uganda on Saturday, the number of cases has risen to 36 from 20. The cases remain limited to a small area in western Uganda. An international team is on the scene to identify the source and contain the outbreak.

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July 30, 2012 At least 20 people have been infected with the deadly Ebola virus in rural Uganda. The number of infections is expected to rise, as more patients are admitted to hospitals. An international team has been dispatched to the region to contain the outbreak.

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July 27, 2012 The International AIDS Conference isn't only about medical research. People from around the world met at its Global Village to share their experiences with the AIDS epidemic through music, art and dance. This year's highlights included a condom campaign and lube tasting booth.

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July 19, 2012 HIV is like a jack-in-the-box. When the viruses bump into particular cells in the immune system, the viruses' shells pop open and their genes enter the cells. Experimental therapies for HIV could stop the virus from getting in.

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July 17, 2012 Some Brazilian researchers say Truvada should only be given to very specific groups at risk of getting HIV, like young, gay men. Others are concerned that a drug that blocks the transmission of HIV could be a set-back for safe sex campaigns and might actually encourage unsafe sexual behavior.

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July 17, 2012 Almost 90 percent of the target population – half in Port-au-Prince and the other half in a remote rural area – got fully protected against cholera. The results defy the forecasts of skeptics who said in advance of the campaign that it would be lucky to protect 60 percent of the target populations.

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July 13, 2012 Making generic drugs available through a U.S. AIDS relief fund has opened access to HIV treatment for millions of people around the world, a study finds.

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July 9, 2012 Scientists have found enterovirus 71 in samples taken from children sickened in Cambodia. The virus can cause hand, foot and mouth disease. Symptoms of that illness are consistent with those reported in an outbreak that has been seen since April.

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July 5, 2012 Cambodian health authorities say the majority of the ailment's victims have been under 7. They suffered high fevers, followed by severe respiratory problems, and in some cases neurological symptoms.

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June 26, 2012 The global death toll from the swine flu pandemic may have been 15 times larger than previous estimates. Researchers tried to fill in gaps in places around the world where statistics on the illness were harder to come by.

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June 21, 2012 Here's a hint: Compare the number of scientific papers on a disease with the number of people affected by the illness. There's lots of research on diabetes and not so much on elephantiasis.

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June 15, 2012 An international team of researchers based in the U.K. say they've taken a big step forward in tracking the malaria parasite's evolution and predicting hotspots of potential resistance.

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June 13, 2012 French researchers report in a new paper that a reconstructive surgery they used to try to repair the genitalia of women circumcised at a young age has helped many of them experience sexual pleasure one year after the surgery.

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