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kotykmax [81]
3 years ago
15

How effective is this year's flu vaccine?

Health
1 answer:
Vinvika [58]3 years ago
7 0
CDC conducts studies each year to determine how well the flu vaccine protects against flu illness. <span>While vaccine effectiveness can vary,</span> recent studies show vaccine reduces the risk of flu illness by about 50%  to 60% among the overall population during seasons when most circulating flu viruses are like the vaccine viruses.
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