February 17, 2012 The WHO upheld its guidelines on the safety of hormone injections for contraception yesterday, despite some data that users are at increased risk of HIV transmission. An expert panel says the evidence isn't solid yet, and at-risk couples should use a second method, like condoms, for HIV prevention.
February 2, 2012 If the new numbers are right, it means there's little chance that malaria deaths can be cut to near-zero by 2015, just three years from now. That was the goal set last year by the World Health Organization.
January 30, 2012 The new initiative marks the first time the world's 13 biggest pharmaceutical competitors have agreed to collaborate on a common goal and share their expertise on potential drugs, one of the project's leaders says.
December 2, 2011 The cost to treat HIV-positive people in the developing world has dropped dramatically. And a key U.S. official says that the lower costs make it possible to treat many more people without increasing spending.
October 20, 2011 The goal of the vaccinators isn't to stop cholera in its tracks. They can't do that in Haiti with only enough vaccine for 100,000 people. The aim is to show the world that vaccination against the illness can be done.
October 18, 2011 Several thousand young African children who got three doses of the experimental vaccine had about 55 percent less risk of getting malaria over a year than those who got a control vaccine against rabies or meningitis.
October 17, 2011 A new batch of papers from The Lancet finds that there's been some encouraging progress in figuring out how to help people with mental health issues in developing countries, but progress in actually getting help for people has been slow.
October 11, 2011 The World Health Organization reports that cases of the disease are declining thanks to several, worldwide efforts. The world isn't out of the clear yet, though.
October 4, 2011 Previous research had suggested hormonal contraceptives could raise the HIV infection risk for women. This study is the first to show that the risk is heightened for their male partners.
October 4, 2011 Scientists who looked at sewage in three cities around the world found 40,000 viruses, most of them previously unknown. But, happily, most of the viruses lurking in sewage don't pose a threat to human health.
September 27, 2011 The GAVI Alliance will introduce the rotavirus vaccine, which protects against diarrhea, in 16 developing countries. Some 18 countries will also get the pneumococcal vaccine, which could cut deaths from pneumonia and meningitis.
September 26, 2011 The more susceptible a species' close relatives are to a virus, the more likely it is to move among them, researchers say. If humans want to predict the appearance of new diseases in the future, we need to understand how the viruses make the leap.
September 14, 2011 The director of the U.S. Centers for Disease Control and Prevention says the film Contagion was designed for entertainment purposes, but that the scenario of a global pandemic is plausible. "We can't know what's going to happen," says Frieden.
August 26, 2011 A review of clinical trials shows that vitamin A supplements reduced child mortality by 24 percent in low and middle income countries by preventing measles, diarrhea and vision problems in children.