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Alert Level Raised to 5

The World Health Organization uses a six-step system to inform the world of the seriousness of a threat. The phases:

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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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