2003 Citizen Services Recipient from just helping pakistan Watch Video
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Description: Smallpox is the only disease ever to have been eradicated. But, Denise Johnson is working to add polio to the list. For the past four years, she has played a leading role at the Centers for Disease Control and Prevention's Polio Eradication Branch—a federal agency whose goal is nothing less than the worldwide eradication of polio by 2008.nnPolio is a highly infectious disease caused by a virus. It invades the nervous system, and can cause total paralysis in a matter of hours. In the most sever
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