As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade. A new strain that dominated the early ...
The flu vaccine had one of its worst effectiveness rates in more than a decade this flu season, U.S. health officials say. A new strain that dominated the early winter was not well matched to the ...
NEW YORK (AP) — As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst effectiveness rates in more than a decade. A new strain that ...
NEW YORK — As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst effectiveness rates in more than a decade. A new strain that dominated ...
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