In a twist, the middle-aged were among those hardest hit, CDC says.
CDC says this year's vaccine is a good match for circulating strains.
A seasonal upswing in RSV is underway, and flu cases appear to be on the rise.
FDA offers prevention tips, and backs flu vaccination.
Absolutely not. Influenza activity usually peaks in January or February.
Researchers find early fall is the best time for immunizations.
Find out when you should see the doctor… and when you should go to the ER.
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