How effective is flu vaccine?

Answered by 1 Apollo Doctors

Dr Dhankecha Dineshbhai

General Practitioner

MBBS
6+ Yrs

Consult Now

Every year, WHO studies the strains of influenza virus circulating globally and advise to produce the flu vaccine with those particular strains. Vaccine effectiveness may vary in relation to many factors globally but on a average, flu vaccination reduces the risk of influenza by 40 - 60 % among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine.

Answered 13 days ago

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