May 28, 2010 A leading humanitarian group calls on donor nations to honor commitments to fund HIV/AIDS treatment.
May 26, 2010 A drug called telapravir dramatically improved the cure rates for patients with hepatitis C by curbing the reproduction of the virus inside their cells.
May 25, 2010 A new long-term study should ease parents' concerns about giving kids too many vaccines too soon
The water looks good, but is it safe?
May 21, 2010 Inspectors closed 12 percent of swimming pools after they were found to have violated health codes, says a report from the Centers for Disease Control and Prevention.
May 21, 2010 An experimental Ebola vaccine works against a recently discovered species of the virus found in Uganda. In a surprise, the protection occurs without antibodies.
Mosquitoes like this one, called Aedes aegypti, transmit the virus that causes dengue fever.
May 20, 2010 An outbreak in Key West, Fla., underscores the growing threat of dengue fever in the U.S.
May 18, 2010 Immigrants and the poor in some parts of the U.S. are at risk for diseases more common in the developing world.
May 14, 2010 Keeping away from smelly foods may not be enough to make your breath fresh. Stinky bacteria can do your mouth in.
Polio had a resurgence in Nigeria several years ago after some local leaders spread false rumors that the vaccine wasn't safe. Things are getting better, though, last year the incidence in Nigeria dropped by half.
May 14, 2010 The CDC reports that polio has almost disappeared, but a few thousand cases persist worldwide. Because the virus only lives in the human body, it's one public health officials say we should be able to eradicate.
An outbreak of polio in Tajikistan has public health workers scrambling.
April 26, 2010 The World Health Organization says Tajikistan, a Central Asian nation which shares its southern border with Afghanistan, recently reported 120 cases of acute flaccid paralysis, probably caused by polio.
Don't be this guy, please.
April 22, 2010 Nearly three-quarters of Americans said they went to work sick in the last year, according to a survey that queried more than 3,000 people early this month. The top reason: lost wages.
A slight sniffle shouldn't keep Johnny at home.
April 19, 2010 Researchers found that day care centers they surveyed would unnecessarily keep home more than half of kids with mild symptoms of illness.
April 14, 2010 Infections people catch while hospitalized represent a major health threat, and the latest data from the government show the problem is growing bigger.
A woman is vaccinated against swine flu at a community clinic in Washington, D.C., in January.
Jewel Samad/AFP/Getty Images
April 1, 2010 Tens of millions of doses of the government-purchased vaccine have gone unused. Now they're starting to expire and are being discarded.
Twitter's 'Fail Whale,' a sign the messaging system isn't working, could also apply to the quality of some of the health information there.
March 31, 2010 An analysis of tweets mentioning antibiotics found lots of misinformation about use of the drugs to treat viral infections, like colds and flu.
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