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Flu Myths Debunked

Oct 26, 2018

Myths about the flu shot are widespread, and these misconceptions often cause people to opt out of this important vaccine. It's time to learn the truth about some common flu misconceptions.

Below, we've broken down and explained four common flu vaccination myths.

Myth 1: The flu shot will give me the flu.

The flu shot cannot give you the flu because the vaccine is a solution of an inactivated, or non-infectious, virus. The flu shot helps you develop immunity to the flu by imitating an infection. This infection does not cause illness, but it does cause the immune system to produce antibodies.

Once this "infection" goes away, the body "remembers" how to fight that infection in the future. However, it can take as long as two weeks for the body to produce these antibodies after vaccination. This explains why you might have heard of someone getting the flu despite having received the flu shot. The body simply did not have enough time to build up protection after being exposed to the virus.

Randomized and blind studies have shown that patients who received inactivated flu shots were not more likely to experience flu-like symptoms in comparison to those who received saline-water injections.

Myth 2: I’m pregnant, and the flu shot will give my unborn baby the flu.

Health officials actually recommend that pregnant women receive the flu shot to protect themselves and their unborn babies. Getting the flu shot protects the mother from complications of the flu and allows antibodies to be passed to the baby during pregnancy. These antibodies can continue to protect the baby several months after birth.

Myth 3: I never get sick, so I don’t need the flu shot.

The flu shot doesn't just protect you from getting the flu — it also protects those around you. Not everyone has a strong enough immune system to receive the flu shot, such as the very old or young.

By getting the flu shot, you are contributing to the safety of everyone in the community by participating in herd immunity. Herd immunity is the concept of protection by limiting the spread of a virus through a community.

Myth 4: I got the flu shot last year, so I don’t need another one.

Health experts recommend getting a flu shot every year. Each year, the flu vaccine is developed specifically for the virus strains predicted to circulate during the upcoming flu season. Past flu shots will not protect you from the flu virus strains circulating this season.

To receive optimal protection this season, health experts recommend getting the flu shot by the end of October. Ask your local pharmacist about the flu shot today.

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