New U.S. Whooping Cough Strain Raises Questions Researchers have discovered the first U.S. cases of whooping cough caused by a germ that may be resistant to the vaccine.
Flu Shot Will Not Protect You From Mutant StrainThe flu is in Texas - and even if you've taken precautions you could still get sick. That’s because this year’s strain of the virus is not covered by this year’s flu shot.

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