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Side effects of the new Omicron COVID-19 booster

Side effects of the new Omicron COVID-19 booster

 


An elderly man wearing a face mask is vaccinatedShare on Pinterest
Experts say Omicron’s boosters will target current variants more directly.Luis Alvarez/Getty Images
  • Experts expect common side effects of the new Omicron booster to be similar to previous COVID-19 shots.
  • Side effects include fatigue, headache, fever, skin redness, and muscle pain.
  • Experts point out that the new booster may be more effective at preventing serious illnesses because it more precisely targets the currently circulating variant.

Omicron variants of COVID-19 have a slightly different set than usual. symptoms than other versions of the disease.

However, the potential side effects of new vaccines specifically targeting Omicrons may be no different than those associated with previous vaccines and boosters.

In August, the Food and Drug Administration (FDA) granted emergency use approval to a new pair of booster shots developed by the pharmaceutical company. Pfizer – BioNTech When modernEach targets both the original strain of COVID-19 and the latest Omicron (BA.4 and BA.5) variants of the novel coronavirus.

“Having a more specific spike protein for the immune system to look for, the vaccine should be more effective in preventing infection and severe disease from the currently circulating variant.” Kristen NicholsPharmD, a senior content management consultant in the clinical effectiveness department at medical consultant Wolters Kluwer, told Healthline. “Also, the immune system will recognize two similar mutations in him, so it may recognize new mutations more efficiently.”

A “bivalent” booster vaccine was made available to the public in early September. This is insufficient to summarize real data on booster side effects. However, in clinical trial studies submitted to the FDA, the side effects of Omicron boosters were: symptoms of other COVID-19 vaccines.

The most common side effects of Omicron BA.4 and BA.5 boosters are injection site pain, fatigue, headache, joint and muscle pain, chills, armpit swelling and tenderness, nausea/vomiting, skin redness and skin redness upon injection. was swollen. site, and fever.

Dr. Marisa MontecalvoInfectious disease specialist at NYC Health and Hospitals-Metropolitan and Westchester Medical Center.Injection site. ”

More serious but rare side effects of previous COVID-19 vaccines include anaphylaxis and other severe allergic reactions, myocarditis, pericarditis, and fainting. FDA officials said similar problems could arise from the latest vaccine boosters.

“The risk of myocarditis/pericarditis is rare and continues to be seen primarily among adolescents and young adult men, as with previous vaccines,” MonteCarvo told Healthline.

“The risk after booster administration appears to be lower than that after primary vaccination,” she added.

He said there was no reason to believe that the new booster would cause symptoms different from previous COVID-19 vaccines and boosters. Dr. Jason Gallagheris an infectious disease specialist and clinical professor at the Temple University School of Pharmacy and a clinical pharmacy expert in infectious diseases at Temple University Hospital in Philadelphia.

“The only thing that has changed is the protein on the surface of the protein that it encodes,” Gallagher told Healthline.

Agree that “typical post-vaccination side effects are to be expected” Dr. Jose Mayorga, executive director of the Family Health Center at the University of California, Irvine Health. “These included fatigue, arm pain, fever and headache. Patients vaccinated at our clinic had mild side effects that were alleviated by over-the-counter Tylenol or Motrin.”

“The only side effect I got from this vaccination was peace of mind,” Mayorga told Healthline. “I feel safer against serious illness.”

Gallagher said additional data will be collected on the side effects of the Omicron booster as more people get the injections.

“Your immune system is already primed to attack the virus, so I wouldn’t be surprised if the side effects become more intense, especially if you’ve recently been boosted for or contracted COVID.

Centers for Disease Control and Prevention (CDC) Recommendation Wait at least 2 months after the COVID vaccine or disease outbreak before getting a booster dose.

CDC officials also recommend only getting boosters that match the initial dose of the vaccine. For example, Moderna is a booster if he is vaccinated.

Like other COVID-19 vaccines and boosters, the new Omicron booster should, at a minimum, protect recipients from serious illness and hospitalization. However, Gallagher noted that the new booster has the advantage of precisely targeting the primary COVID-19 variant of his currently in circulation.

“It can also prevent some infections,” he said. [to the virus] Than we have had in a long time. ”

Sources

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2/ https://www.healthline.com/health-news/new-omicron-booster-side-effects-expected-to-be-similar-to-previous-covid-19-shots

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