Early estimates suggest this year's flu vaccine, overall, is about 47% effective. It is generally less effective against the influenza A (H3N2) than other virus types.
from WebMD Health https://ift.tt/2TW80SQ
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Early estimates suggest this year's flu vaccine, overall, is about 47% effective. It is generally less effective against the influenza A (H3N2) than other virus types.
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