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With increased political support and a detailed immunisation programme planned by the remaining endemic countries, there is a feeling of hope here that the world may soon be polio free.
BBC: Some schemes were halted after claims about side-effects
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India was declared polio free in early 2012.
WSJ: Bloomberg donating $100M to help fight polio
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Infected travellers had carried the virus to nearly 20 previously polio-free countries causing more than 1200 polio cases.
BBC: Polio killings a major setback
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In 2011, India, considered the most difficult place to achieve eradication, was declared polio-free.
WSJ: Bill Gates and Michael Bloomberg: Our Plan to Eradicate Polio
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The shootings, in a series of attacks, represent a major setback in the quest for a polio-free world.
BBC: Polio killings a major setback
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It will also risk the disease spreading beyond Pakistan's borders to India, which has been polio-free for more than a year.
BBC: Polio killings a major setback
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India has been polio-free for two years - a remarkable achievement.
BBC: Bill Gates: The world can defeat polio
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Iraq has been polio-free for more than two years, and it is not likely that the cultures in the incubators contained wild poliovirus, according to the report.
CNN: New purported Saddam tapes aired
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Somewhere today, in Nigeria, a child is polio-free, a mother is nursing a healthy baby, a family is free of malaria because a business or a civil society group decided to devote attention and resources to their health.
UN: Secretary-General
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It cites India's achievement in January 2012 of being free of polio for a year as a major landmark, which meant it was removed from the list of endemic countries.
BBC: Polio vaccine checks key to eradication effort
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As a result, a polio epidemic which originated in Kanohas now spread to 22 African countries, including ten who had been previously free of the disease.
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