Flu shot is only 36% effective this season, the worst in a decade
The flu vaccine is 36% effective in preventing flu illness severe enough to send a patient to the doctor's office according to the Centers for Disease Control and Prevention.
FOX NEWS: Flu shot is only 36% effective this season, the worst in a decade
Flu shot is only 36% effective this season, the worst in a decade
The flu vaccine is 36% effective in preventing flu illness severe enough to send a patient to the doctor's office according to the Centers for Disease Control and Prevention.
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