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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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.
Microsoft founder Bill Gates, his wife Melinda French Gates and British Prime Minister David Cameron at the World Economic Forum on January 28, 2011, in Davos, Switzerland.
Johannes Eisele/AFP/Getty Images
January 31, 2011 Philanthropist Bill Gates says the time is now for the world to redouble efforts to eliminate polio by funding efforts to vaccinate vulnerable people against the disease. An international initiative to wipe out the disease faces a $720 million budget shortfall.
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