Health Officials Mix Flu Vaccine to Fight Fall Strains Federal health officials are changing all three components of the flu vaccine for fall 2008, based on a prediction that U.S. residents will be exposed to flu strains that currently are active in Southern Hemisphere countries. Changing all three of the components almost never happens.
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Health Officials Mix Flu Vaccine to Fight Fall Strains

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Health Officials Mix Flu Vaccine to Fight Fall Strains

Health Officials Mix Flu Vaccine to Fight Fall Strains

Health Officials Mix Flu Vaccine to Fight Fall Strains

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  • <iframe src="https://www.npr.org/player/embed/19246288/19246268" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
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Federal health officials are announcing the makeup of the flu vaccine for fall 2008. They are changing all three of the vaccine components — based on a prediction that U.S. residents will be exposed to flu strains that currently are active in Southern Hemisphere countries. Changing all three of the components is something that almost never happens.