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Some surveys have proven that just about 30% of individuals imagine getting a flu shot can truly trigger influenza.
This perception is probably going on account of widespread unwanted side effects linked to the vaccine, together with headache, fever, nausea, headache and muscle aches, in accordance with the CDC. Some may additionally expertise soreness, redness or swelling on the injection website.
Dr. Samantha Selecting, senior director of immunizations at Walgreens, mentioned it’s a “widespread false impression” that the shot can provide the flu.
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“No flu vaccine could cause the flu,” Massachusetts-based Selecting advised Fox Information Digital. “Most flu vaccines don’t include a reside virus and use an inactive flu virus or items of the virus.”
The nasal spray flu vaccine is a live-attenuated influenza vaccine (LAIV), which implies it incorporates a really weak type of the flu virus, she mentioned.
Some surveys have proven that just about 30% of individuals imagine getting a flu shot can truly trigger influenza. (iStock)
Dr. Marc Siegel, Fox Information senior medical analyst, reiterated that the vaccine is formulated from a “lifeless, inactivated or killed virus,” and that “you can’t get the flu from it.”
Not everybody experiences unwanted side effects after a flu shot, however mild side effects are potential.
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The rationale some folks might really feel sick after getting the vaccine, in accordance with Selecting, is as a result of their immune system is responding and constructing safety.Â
“Unintended effects range by particular person — and it’s vital to keep in mind that when you do expertise widespread unwanted side effects like aches, low-grade fever, or ache and swelling on the injection website, it means the vaccine is working,” she added.
Not everybody experiences unwanted side effects after a flu shot, however gentle unwanted side effects are potential. (iStock)
If unwanted side effects happen, they start quickly after the shot and normally final one to 2 days, in accordance with the physician. They are often managed with over-the-counter products.
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“Your pharmacist can advocate over-the-counter merchandise to assist handle any minor unwanted side effects you encounter,” she mentioned.
Some individuals are extra prone to expertise unwanted side effects from the shot — notably ladies, children under the age of 5, pregnant ladies and people receiving high-dose vaccines, in accordance with the physician.
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“Whereas flu shot unwanted side effects range from individual to individual, most stay gentle and resolve on their very own,” she added.
It’s potential to get the flu proper after getting vaccinated, however not from the shot, Selecting mentioned.
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“It takes round two weeks on your physique to develop full immunity after getting vaccinated, so you possibly can nonetheless contract the flu shortly after receiving your flu shot,” she mentioned.Â
“If that occurs, the sickness didn’t come from the vaccine — it’s just because your physique wasn’t absolutely protected but. Because of this the earlier you get vaccinated, the higher.”
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Whereas the unwanted side effects of the vaccine are similar to the precise flu, the timing and severity of signs can mark the distinction between the 2.
Whereas the unwanted side effects of the vaccine are similar to the precise flu, the timing and severity of signs can mark the distinction between the 2. (iStock)
“Flu shot unwanted side effects are typically gentle, seem inside a couple of hours and sometimes final just a few days,” Selecting mentioned. “Precise flu signs are typically extra extreme and final for much longer.”
In instances of uncertainty, she recommends getting examined.
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It’s typically thought-about secure to get the flu shot with a light sickness, like a cold with no fever.
“Nevertheless, when you’re reasonably or severely unwell, particularly you probably have a fever, it’s greatest to attend till you get better to get vaccinated,” Selecting really helpful. “Whenever you’re already sick, it’s harder to differentiate between vaccine unwanted side effects and signs of being unwell, and this additionally helps to make sure optimum immune response.”