Mayo Clinic weighs in on COVID-19 vaccine side effects

Updated: Mar. 16, 2021 at 7:41 PM CDT
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ROCHESTER, Minn. (KEYC) - “Symptoms include things like having muscle aches, having chills, having a headache, feeling tired. These are symptoms that people are very likely to experience after these vaccines for up to two sometimes up to five days at most,” says Dr. Melanie Swift, co-chair of the COVID-19 Vaccine Allocation & Distribution Work Group at Mayo Clinic.

The Centers for Disease Control and Prevention says vaccine-induced side effects indicate your body is building protection against coronavirus.

Swift added, “They do provoke an immune reaction and that causes symptoms and that shouldn’t be confused with being harmful or being unsafe. It’s actually what the vaccines intended to do.”

Mayo Clinic says the COVID-19 vaccine can lead to very mild side effects.

“When we talk about the safety of a vaccine, we’re talking about — in terms of adverse events — transient, low-level, spontaneously resolving side effects like a sore arm, a low-grade fever or being achy or something like that,” said Dr. Gregory Poland, head of the Vaccine Research Group at Mayo Clinic.

Many people who have gotten the shot aren’t experiencing symptoms at all -- leaving some wondering if their vaccine was effective.

Mayo says everyone is different, as every recipient varies in their body’s immune signals.

One body might release more than what’s needed, causing the physical reactions, and another might release exactly the right amount resulting in no side effects.

Either way, experts say your body will build immunity against COVID-19 when you get the shot.

Poland stated, “Vaccines should be held to a very high standard of safety, and they are.”

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