Effectiveness of 2018-19 flu vaccine varied widely by age; 2019-20 clinics set
News, Olean
RICK MILLER Olean Times Herald  
September 6, 2019

Effectiveness of 2018-19 flu vaccine varied widely by age; 2019-20 clinics set

OLEAN — The 2018-19 influenza vaccine was on average, about 47% effective in preventing people from getting the flu, but varied widely in effectiveness by age.

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