Swine flu is continuing it's spread around the globe, and there's one word on everyone's lips: vaccine. Can researchers create a vaccine that will stop the virus with one quick jab of a needle? How quickly can a vaccine be created? And what can we do to prevent the spread of the flu before a vaccine is created? Dr. Anthony Fauci, director of the National Institutes of Allergy and Infectious Diseases, explains. We were lucky enough to be able to nab Dr. Fauci by phone before he heads to Capitol Hill this afternoon, where he will testify at an emergency Senate meeting about the federal government's response to swine flu.

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