February 15, 2012 Research in a genetically modified bird flu viruses has made it transferable among ferrets. Are humans next? Can and should scientific knowledge surrounding potentially dangerous research be controlled?
An Indian boy receives a polio vaccination from an Indian health worker in Amritsar last year.
Narinder Nanu/AFP/Getty Images
January 13, 2012 The absence of a new polio case in India is a milestone in the decades-long effort to wipe the poliovirus from the face of the planet. Only a few years ago, India reported more polio cases than any other country in the world.
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A woman, left, cuts the hair of a fellow tuberculosis patient at a clinic in the township of Khayelitsha, on the outskirts of Cape Town, South Africa, in March.
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.
September 26, 2011 The polio strains isolated from 10 children in China were linked to virus circulating in Pakistan. They're the first confirmed cases of polio identified in China since 1999, according to the World Health Organization.
June 29, 2011 The drug misoprostol can prevent bleeding after birth and save women's lives. And a test in Mozambique shows it can be used safely by traditional birth attendants who deliver babies in homes.
A street scene in New York City on Tuesday (May 31, 2011).
Spencer Platt/Getty Images
June 1, 2011 Though researchers have not found a clear link between cellphones and cancer, a new study has again raised the issue. And some researchers advise going hands-free to limit the amount of time a phone is near your ear. Will you follow that advice?
December 14, 2010 Malaria cases have been cut by almost 50 percent in 11 African countries, according to a World Health Organization report documenting eradication efforts since 2008. The report also says the disease was eradicated in Morocco and Turkmenistan.
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