We're Not Out Of The Woods With H1N1, Says CDC Director

Tom Frieden, the Director of the Centers for Disease Control (CDC) says his organization does not know whether or when H1N1 will return, but even if there is not an outbreak in the coming months, that does not indicate H1N1 does not still pose a threat. Instead, it Frieden says it means the U.S. will have more time to prepare and continue on with research and the vaccinations that will be available by mid-October. (0:35)
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