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Researchers Identify Vaccine-Resistant Polio Strain

As the world enters the final phase of a global polio eradication effort, French researchers have identified a mutant strain of the virus that is resistant to the polio vaccine. Despite this, an American expert said the war on polio can be won with continued vaccination. Despite progress toward the goal of wiping polio off the face of the Earth with an aggressive child vaccination campaign, transmission of the paralytic illness continues in Nigeria, Pakistan and Afghanistan. Now, a...

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