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Flu's Severity Studied

The World Health Organization raised its pandemic threat level from 3 to 4 on Monday - two levels below a full-scale pandemic - in response to a unique virus not seen in pigs or humans before. A look at what is known about the virus.


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CDC Says Flu Responses Will Vary
Article | The acting head of the Centers for Disease Control and Prevention said yesterday that there is no single best way for communities to respond to the growing outbreak of swine flu, and he played down the role the nation's chief public health agency will play in managing the illness around the country.
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