How Does Flu Shot Protect You?
How do flu vaccines work? Flu vaccines cause antibodies to develop in the body about two weeks after vaccination. These antibodies provide protection against infection with the viruses that are used to make the vaccine.

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Also know, how much does the flu shot protect you?

Recent studies show flu vaccine can reduce the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine viruses.

Also, can you still get the flu after a flu shot? The flu vaccine can't give you the flu. But you might develop flu-like symptoms — despite getting a flu vaccine — for a variety of reasons, including: Reaction to the vaccine. Some people experience muscle aches and a fever for a day or two after receiving a flu vaccine.

Also to know, how effective is flu shot 2019?

Recent studies by CDC researchers and other researchers suggest that flu vaccination usually reduces the risk of influenza illness by 40% to 60% among the overall population when the vaccine viruses are like the ones spreading in the community. For more information about vaccine effectiveness, click here.

Why getting the flu shot is important?

Flu vaccination can reduce the risk of flu-associated hospitalization for children, working age adults, and older adults. Flu vaccine prevents tens of thousands of hospitalizations each year. For example, during 2017-2018, flu vaccination prevented an estimated 91,000 flu-related hospitalizations.

Related Question Answers

Should I get a flu shot 2019?

For the 2019-20 flu season, ACIP recommends annual influenza vaccination for everyone 6 months and older with any licensed, influenza vaccine that is appropriate for the recipient's age and health status (IIV, RIV4, or LAIV4) with no preference expressed for any one vaccine over another.

Do flu shots contain mercury?

Thimerosal is a compound that contains mercury. Because it prevents the growth of dangerous microbes, thimerosal is used as a preservative in multi-dose vials of flu vaccines, and in two other childhood vaccines, it is used in the manufacturing process.
Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.