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Mar 22, 2024 · While a flu vaccine cannot give you flu illness, there are different side effects that may be associated with getting a flu shot or a nasal spray flu vaccine. These side effects are usually mild and short-lasting, especially when compared to symptoms of flu.
How effective is the seasonal flu shot? What are the side effects that could occur? Can severe problems occur? What should I do if I have had a serious reaction to seasonal influenza vaccine? Why do some people not feel well after getting the flu shot? What about people who get a seasonal flu vaccine and still get sick with flu symptoms?
Common side effects from the flu shot include: Soreness, redness, and/or swelling from the shot. Headache. Fever. Nausea. Muscle aches. The flu shot, like other injections, can occasionally cause fainting. Some studies have found a possible small association of injectable flu vaccine with Guillain-Barré syndrome (GBS).
Feb 25, 2024 · The nasal spray vaccine can also cause runny nose, headache, vomiting, fever, wheezing, and muscle aches. Call 911 if you have any of the following symptoms after you get a flu...
Aug 26, 2008 · FACT SHEET. Key Facts About Seasonal Flu Vaccine. The single best way to protect against the flu is to get vaccinated each year. There are two types of vaccines: The "flu shot"— an inactivated vaccine (containing killed virus) that is given with a needle, usually in the arm.
Reviews of past studies have found that the flu vaccine lowers the risk of flu illness by 40% to 60% when the vaccine matches the spreading flu viruses. Even when the vaccine doesn't completely prevent the flu, it may lessen the severity of your illness.
Jan 10, 2022 · "Like all vaccinations, the flu shot aims to provide a susceptible individual a 'boost' to their non-existent or waning immunity to a particular infection by presenting a non-infectious version...
