U.S. Health Advisory Panel Endorses Booster Shot For J&J Vaccine

The U.S. Food and Drug Administration (FDA) and Centers for Disease Control (CDC) are expanding authorization for COVID-19 booster doses to include all adults. The decision, announced Nov. 19, broadens the existing emergency use authorization to include anyone vaccinated previously with two doses of the Pfizer-BioNTech or Moderna COVID-19 shots. (The authorization had previously already included those who had received one dose of the Johnson&Johnson-Janssen shots.)

After the FDA endorsed boosters for all U.S. adults over age 18 years, a CDC advisory panel supported that recommendation and CDC director Dr. Rochelle Walensky finalized the new guidance. “Booster shots have demonstrated the ability to safely increase people’s protection against infection and severe outcomes and are an important public health tool to strengthen our defenses against the virus as we enter the winter holidays,” Walensky said in a statement. “Based on the compelling evidence, all adults over 18 should now have equitable access to a COVID-19 booster dose.”

In September, the FDA and CDC authorized booster doses of the Pfizer-BioNTech vaccine only for people at higher risk of COVID-19, including those over 65 years, people with certain health conditions, and those who work or live in settings that make it more likely they would get exposed to the virus. In October, the agencies issued the same authorization for the Moderna shot. The authorization at that time extended to everyone who received the single dose J&J-Janssen shot, given the data showing lower initial immunity from the vaccine. For the people originally vaccinated with the Pfizer-BioNTech or Moderna shots, the agencies advised getting a booster six months after the second dose; for those vaccinated with the J&J shot, two months after that single dose regimen. Already, that eligible population includes a large portion of the U.S. population, and because vaccinators are not requiring documentation of their eligibility, most people who want a booster dose have been able to get one.

In the two months since that recommendation, Pfizer and Moderna have provided additional data to the FDA raising concerns about breakthrough infections among the vaccinated, mostly among people with compromised immune systems, as well as studies suggesting that people vaccinated earlier—mostly the elderly—are starting to be hospitalized at increasing rates.

Studies by both companies show that the immunity from the vaccine can wane after six months or so, from over 90% protection from COVID-19 disease, to as low as 50%. That protection is brought back up to 90% or so a month after a booster dose. And although further research needs to be done, there are encouraging signs that the vaccines, including a booster dose, might help to curb spread of the virus in communities. The FDA weighed that evidence with additional data on the risks of the vaccines, which include an inflammation of the heart muscle, and concluded that with current infection rates in the U.S. continuing to rise, the benefits of a booster dose for all adults—especially if they can both prevent severe disease and help to dampen spread of the virus—outweighed the small risks.

If the CDC endorses the FDA’s authorization, then all adults would now be eligible to get a booster dose. The additional shot could bring additional peace of mind, especially before what is anticipated to be a busier holiday travel season where more people will be gathering and celebrating in larger groups.

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Source : https://time.com/6121454/fda-booster-shots-for-all/

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The U.S. FDA and CDC Expand Booster Shots to All Adults

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