COVID-19: side effects are more likely after the second dose of Pfizer or Moderna; Here’s why

Do you have some sleepiness, soreness and pain after your COVID-19 vaccine?

Do not worry. According to medical experts, side effects are a sign that the body’s immune system is responding to the dose.

One of them, dr. Allison Arwady, the public health commissioner in Chicago, said younger people are more likely to experience side effects because they have a more robust immune system, according to a report by NBC 5 Chicago.

Women are also more likely to report side effects than men, Arwady said. If estrogen is noticed, it can increase immune responses, and testosterone can decrease it.

Side effects are more likely after the second shot of Pfizer or Moderna because the immune response on the second shot is even stronger than the response to the first shot, Dr. Robert Wachter, head of medicine at the University of California, San Francisco, told KGO-TV. / ABC 7 in San Francisco.

Many of these side effects can last two to three days, Wachter said.

According to the Centers for Disease Control & Prevention (CDC), possible side effects on the arm in which a dose is given are:

According to the CDC, possible side effects in the rest of your body are:

  • Fatigue
  • Headache
  • Muscle aches
  • Cold Fever
  • Fever
  • Nausea

“The way I think about it (side effects) is a sign that it works,” Wachter told KGO-TV. “What’s a little funky about it, of course once you say people say, ‘Oh, I did not have any side effects.’ Does that mean it does not work? “The answer is: no.

“These two things seem to be true. The side effects are a sign that your body is producing its immune response. If you have no side effects, you should consider yourself lucky, but the vaccine also seems to work well in humans. what it did not do is have side effects. “

To reduce pain and discomfort where you have the chance, the CDC recommends that vaccine recipients apply a clean, cool, wet washcloth over the area and use or exercise their arm.

According to the CDC, side effects after your second survey may be more intense than those you experienced after your first survey.

“These side effects are normal signs that your body is building up protection and should disappear within a few days,” according to the CDC.

The Pfizer BioNTech and Moderna vaccines both require two shots to get the most protection.

“You should get the second shot, even if you have side effects after the first shot, unless a vaccination provider or your doctor tells you not to get it,” the CDC said.

People are considered fully vaccinated two weeks after their second ingestion of the Pfizer or Moderna vaccine, or two weeks after the single dose of Johnson & Johnson / Janssen COVID-19 vaccine.

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