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F.D.A. Authorizes Coronavirus Booster shots for All Adults



WASHINGTON — The Food and Drug Administration on Friday authorized booster shots of both the Pfizer-BioNTech and Moderna vaccines for everyone 18 and older, opening up eligibility to tens of millions more fully vaccinated adults.

Moderna and Pfizer both announced that regulators had broadened the authorization for their booster shots.

The move simplifies eligibility, fulfills a pledge by President Biden to offer the shots to every American adult and formally allows a practice already in place in at least 10 states. Fearful that waning protection and the onset of winter will set off a wave of breakthrough infections, a growing number of governors had already offered boosters to everyone 18 and older ahead of the holidays.

Dr. Anthony S. Fauci, the federal government’s top infectious disease expert, has argued relentlessly over the past month for booster shots for all adults, a position shared by most of Mr. Biden’s other health advisers. Dr. Fauci has said that a dip in antibody levels in fully vaccinated people was a clear sign that booster shots were needed. Public health experts who argue that healthy younger adults do not need them, he has said, are ignoring the risks of symptomatic Covid-19.

“Enough is enough. Let’s get moving on here,” he said at an event Wednesday night. “We know what the data are.”

If the Centers for Disease Control and Prevention agrees, all adults who received a second shot of either Pfizer or Moderna at least six months ago will likely be eligible for a booster shot by the weekend. A meeting of the agency’s outside advisers is scheduled for Friday.

At a White House briefing on Wednesday, Dr. Rochelle Walensky, the C.D.C. director, promised that the agency would “quickly review the safety and effectiveness data and make recommendations as soon as we hear from F.D.A.”

The F.D.A.’s action came after months of fierce debate within the administration and the scientific community about who needed booster shots, and when. Some outside advisers to the F.D.A. and C.D.C. repeatedly expressed discomfort with how quickly the administration was moving to offer the shots. Critics said the administration’s booster campaign was motivated by practical or political reasons more than scientific ones, and that federal regulators were analyzing safety and efficacy data on the fly.

“The evidence isn’t there that a large rollout of boosters is really going to have that much impact on the epidemic,” said Ira M. Longini Jr., a vaccine expert and professor of biostatistics at the University of Florida. He said that booster doses could increase someone’s protection at least temporarily, but would do little to halt transmission of the virus, which is being driven by the unvaccinated. For a jittery public, he said, booster shots might feel like a quick and easy way to hold the virus at bay. But he repeated the administration’s own oft-stated position that convincing the unvaccinated to get the shots must remain the top priority.

Other public health experts have argued that the government needed to offer boosters to all adults to eliminate confusion. Complex eligibility rules coupled with the government’s recent decision to let people choose among all three vaccines for their booster has left the public somewhat befuddled, they say.

“This decision by F.D.A. is overdue,” said Dr. Elizabeth McNally, director of the Center for Genetic Medicine at Northwestern University’s Feinberg School of Medicine.

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“Many people had trouble understanding whether they should or shouldn’t get boosters,” she said in a statement. “This message is much clearer — get a booster!”

Until now, those eligible for boosters included people 65 and older, residents of long-term care facilities, people with underlying medical conditions, and those whose jobs or institutional living conditions heightened their risk.

All recipients of Johnson & Johnson’s one-shot vaccine have already been cleared to get a booster shot at least two months after their injection.

Jason L. Schwartz, an associate professor of health policy at the Yale School of Public Health, said the latest authorizations were “a recognition that the current approach to booster recommendations just isn’t working.”

“It’s so confusing that I think the public has sort of shrugged at the importance of boosters,” he said. “And the groups for whom it’s really important to get boosters — the older individuals, the long-term care residents, folks with medical conditions — aren’t getting boosters at the rates they should. It’s time for a reset.”

The booster rollout is expanding even as public health experts continue to argue over whether young, healthy adults need added protection. The argument is stronger for recipients of Pfizer’s vaccine than for recipients of Moderna’s, which has proved significantly more potent.

While some studies have found that the Pfizer vaccine’s effectiveness against infection and hospitalization drops about four months after the second dose, Moderna’s effectiveness has remained steadier.

At the same time, regulators have been concerned by data from Nordic countries and elsewhere suggesting that young male Moderna recipients may face heightened risks of myocarditis, or inflammation of the heart muscle — a side effect has also been tied to the Pfizer vaccine. Scientists have said the absolute risk still remains very small, most cases are mild and resolve quickly and that Covid-19 can also trigger myocarditis.

Concerns about myocarditis are behind the F.D.A.’s decision to wait to authorize the vaccine for adolescents.

At the heart of the booster debate is the question of what vaccines are supposed to do. Critics of the administration’s policy argue that despite some degree of waning protection, the vaccines are still fulfilling their mission of protecting against severe disease and hospitalization.

Booster advocates like Dr. Fauci counter that the vaccines should also protect against symptomatic disease, especially since some patients avoid hospitalization but suffer long-term consequences.

“I don’t know of any other vaccine that we only worry about keeping people out of the hospitals,” Dr. Fauci said at a White House briefing Wednesday. “I think an important thing is to prevent people from getting symptomatic disease,” including younger people.

In recent weeks, state after state has moved to allow booster shots for all adults, including Massachusetts, Rhode Island, Kansas, Kentucky, Maine, Vermont, Arkansas, California, Colorado and New Mexico.

A host of other countries have taken the same approach, including Australia, Brazil, Canada, Germany, Hungary, Israel, Japan, Norway and Saudi Arabia. Regulators for the European Union have authorized booster doses of both Moderna and Pfizer-BioNTech for all adults.

Kitty Bennett contributed research.

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By: Sharon LaFraniere and Noah Weiland
Title: F.D.A. Authorizes Coronavirus Booster Shots for All Adults
Sourced From: www.nytimes.com/2021/11/19/us/politics/coronavirus-boosters-fda.html
Published Date: Fri, 19 Nov 2021 13:33:12 +0000

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