The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...
Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, ...
Influenza is surging in the U.S., with doctor visits for flu symptoms at a 15-year high. Why is this flu season so bad? Doctors discuss flu trends and prevention.
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