The efficacy rate of the flu vaccine was much higher than 9% last year.
flu shot myths
Although the effectiveness of the flu vaccine varies from year to year, depending on how well matched the vaccine is to circulating flu virus strains, which strains are dominant, and whether they have drifted, it is always a good idea to get vaccinated and protected.
When is the best time to get a flu vaccine?
Get an update on the 2019-20 flu season.