January 14, 2013 People expect coughs to last about half as long as they actually do. This misconception may lead patients to ask their doctors for antibiotics to treat cases of bronchitis that would go away without treatment.
January 11, 2013 The flu season may be easing up in some parts of the country, but it's far too soon to let you guard down. The Centers for Disease Control and Prevention says influenza infections ebb and flow unpredictably.
January 8, 2013 Superstrains of gonorrhea, which are resistant to all antibiotics, have cropped up in Europe and Asia. Now Canadian doctors report the first failure in North America of the usual antibiotic for gonorrhea, leaving just one drug left to fight the sexually transmitted germ.
January 4, 2013 Developed by British researchers, Larry the robot has helped scientists see that a little vomit can go a long way. He vomits on command. And his barf can be tagged with fluorescent dye that makes it easy for scientists to track.
December 19, 2012 Scientists recently sparked controversy when they made dangerous new forms of bird flu. The National Institutes of Health is about to put in place a new system for reviewing this kind of work in the future.
December 17, 2012 Gin, Jesuit priests, communist bravado — the history of malaria is littered with strange bedfellows, as our video shows. The parasite has proved to be a wily foe, frustrating human efforts to control it time and time again.
December 10, 2012 About 10 years ago, some nasty bacteria became impervious to some common classes of antibiotics. Scientists have sequenced genome samples of this superbug from all over the world. The results helped them figured out how it emerged in the U.S. and then moved to Europe, Australia and Asia.
December 5, 2012 To raise vaccination rates, some states have made it much harder for parents to get exemptions for their children from immunizations based on personal beliefs. One doctor says restrictions could backfire.
December 4, 2012 The appearance of an unusual type of poliovirus in Pakistan exposed gaps in vaccination campaigns. When a community isn't well immunized against polio, the weakened virus used in the oral vaccine can mutate and then infect unvaccinated people.
November 29, 2012 HIV has been declining in many parts of the world over the past decade. Today the U.S. unveiled an ambitious plan to stop most new HIV infections around the world. But some health leaders question whether their goals are realistic, especially with impending budget cuts.
November 28, 2012 A few months ago health workers discovered a new variety of coronavirus that killed one man and hospitalized another. Now the virus has infected four more people in the Middle East. How they got sick is a question scientists would like to answer.
November 27, 2012 The number of new HIV infections in the U.S. is relatively stable at about 50,000 people a year. But HIV is on the rise in people under 25, federal data show. The upswing is driven largely by infections among young black men.
November 27, 2012 Because many people don't disclose behaviors that put them at a higher risk for hepatitis C, an influential medical panel doctors is moving toward a recommendation that all baby boomers get tested.
November 21, 2012 Although new HIV infections have dropped by as much as 50 percent in many African countries, the fight against AIDS seems to be losing its footing in Eastern Europe and parts of Asia. New infections nearly quadrupled in China between 2007 and 2011.