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Three California doctors debunk these eight common flu vaccine myths and misconceptions. Does the flu shot make you sick and do you need it every year? California doctors answer
"The flu shot is a killed flu virus that consists of only half of the virus — the part you need to make an immune response to," said Andrew Pekosz, Ph.D., professor of molecular microbiology and ...
Flu shots don’t cause the flu or a cold. They don’t always work or work well, depending on the year, but they will at least minimize symptoms if you do get it. ... It will just drain into your ...
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The flu vaccine usually reduces the risk of getting sick with the flu each year by between 40% and 60%, depending on the strain that circulates and how well the vaccine matches that strain.
In general, influenza vaccines are only effective if there is an antigenic match between vaccine strains and circulating strains. [10] [2] Most commercially available flu vaccines are manufactured by propagation of influenza viruses in embryonated chicken eggs, taking 6–8 months. [2]
It you have flu shot side effects at all, they will likely start eight to 12 hours after your shot, says Thomas Russo, M.D., professor and chief of infectious disease at the University at Buffalo ...
According to a 2016 study by faculty at the University of New South Wales, getting a flu shot was as effective or better at preventing a heart attack than even quitting smoking. [106] A 2024 CDC study found that the 2024 flu vaccine reduced the risk of hospitalization from the flu by 35% in the Southern Hemisphere. [107]