09/10/2026
π€§ Am I going to get sick from the flu shot?
Courtney Smith PA-C, founder of Grand Primary Care, a Lifestyle Medicine and Family Medicine private practice in Grandville, answers this frequently asked question.
Most flu shots contain inactivated forms of the influenza virus, which can't cause the actual influenza illness. So, you cannot get the flu from the flu shot.
Even though the nasal spray vaccine is a live attenuated vaccine, the actual influenza virus in the vaccine is weakened so significantly that it can't cause someone to get the flu.
We know that people can develop flu-like symptoms after receiving a flu shot, for example fever, chills, muscle aches, headache, fatigue, and joint pain. These side effects typically go away within 1-2 days. Even though the side effects are very real, a person experiencing them would test negative for influenza if tested during this time. The symptoms are side effects, but they are not due to having the actual influenza illness.
This concludes our series on the influenza vaccine. If you've enjoyed this and are interested in more Health and Wellness updates, be sure to follow Grand Primary Care on Facebook, Instagram, and TikTok. Thank you.
References:
https://www.cdc.gov/vaccine-safety/vaccines/flu.html
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