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See the latest news and updates about COVID-19 and its impact on the Charlotte region, the Carolinas and beyond.

CDC recommends Pfizer's COVID vaccine for children ages 5 through 11

Pfizer-BioNTech's COVID vaccine for young children is a lower dose formulation of the companies' adult vaccine. It was found to be safe and 90.7% effective at preventing COVID-19.
Paul Hennessy
SOPA Images/LightRocket via Getty
Pfizer-BioNTech's COVID vaccine for young children is a lower dose formulation of the companies' adult vaccine. It was found to be safe and 90.7% effective at preventing COVID-19.

Children ages 5 through 11 years may soon be able to get a low-dose COVID-19 vaccine made by Pfizer-BioNTech. Advisers to the Centers for Disease Control and Prevention voted unanimously to recommend the shots Tuesday for the approximately 28 million children in this age group.

If the recommendations are endorsed by CDC director Dr. Rochelle Walensky, as expected, children could begin getting their shots within the next several days.

The vaccine is one-third the adult dose and the vaccine would be given in two doses, three weeks apart. The lower dose was chosen to minimize side effects and still produce strong immunity, Pifzer says.

Before the committee vote, at the start of the Tuesday advisory meeting, Walensky called this "a monumental day" as she urged the panel to consider the unprecedented toll that COVID-19 has had on children. The CDC's latest data show that 172 children ages 5-11 have died from COVID-19 and more than 8,300 have been hospitalized.

"We also know that beyond the clinical impact of COVID on children, there have been detrimental social and mental health impacts that we are just beginning to fully understand," Walensky said in giving her charge to the panel. "It is our ongoing responsibility to make sure as many people as possible are vaccinated and protected from COVID 19."

Her statements left little doubt that she supports a broad recommendation to vaccinate all children 5-11 years old. Her decision is expected soon.

During a Monday briefing, White House COVID-19 response coordinator Jeffrey Zients said that the government has purchased enough of the low-dose children's vaccine for everyone in this age group. Zients said that the company began filling and labelling the vials and started shipping 15 million doses when the FDA authorized the vaccine last Friday,

The federal program for distributing the vaccine "will be fully operational" by next Monday November 8th, Zients said, with some doses possibly available by the end of this week.

The vaccine is being shipped to pediatricians' and family doctors' offices, Zients said, as well as community health centers, pharmacies, tribal health centers and other providers. It will also include school-based vaccine administration sites in some areas.

Some school districts have already scheduled vaccinations before the Thanksgiving holiday. And some clinics say they're ready to begin the shots Wednesday.

Parents will not need a doctor's order to get a vaccine, Zients said, though parents with questions may want to discuss the vaccine with a trusted health provider.

During the Tuesday meeting of the CDC's Advisory Committee on Immunization Practices, panel members reviewed and discussed the science behind the FDA's Friday authorization of the vaccine in all children 5-11 years old. That authorization was based mostly on a Pfizer-BioNTech study of 4,600 children worldwide, of whom approximately 3,100 got the low-dose vaccine and about 1,500 got a placebo.

These studies showed that the vaccine is about 91% effective against COVID-19. The immune system response to the vaccine, as measured by antibodies, was comparable to the response seen in 16- to 25-year-olds.

The advisors spent considerable time weighing the public health need of a children's vaccine for a disease that is not as often severe or deadly as it is in adults. In the end, the prevalence of COVID-19 across the country and the number of severe cases and deaths led them to recommend universal use of the vaccine in the 5-11 age group.

The most recent CDC data from September 2021 show that 38% of children in the 5-11 age group have antibodies to the virus that causes COVID-19, indicating that they've been infected. Dr. Jefferson Jones, a medical offer with the CDC, said that young children are at least as likely to be infected as adults. More than 1.9 million cases have been reported in 5- to 11-year-olds.

Overall, there have been more than 8,300 children ages 5-11 hospitalized with COVID-19 or a related illness called MIS-C, a severe condition that affects multiple organs and can be fatal. The 5-11 age group had the highest number of cases of MIS-C among children.

Hospitalization rates for COVID-19 in this age group have been similar to what has been seen in past years for influenza, according to Jones. Severity was similar for children with COVID-19 and those with influenza that needed hospitalization.

Hospitalization rates for COVID-19 are three times higher for non-Hispanic Black, non-Hispanic American Indian/Alaska Native, and Hispanic children compared with non-Hispanic White children, Jones said.

One relatively rare side effect that has generated considerable discussion at Tuesday's meeting is myocarditis, a form of heart inflammation. It also occurs as a complication of several viral infections, including COVID-19, and is most often seen in adolescent boys and young men. It typically clears up within weeks or a few months.

The CDC has confirmed 877 cases of myocarditis after the Pfizer or Moderna vaccine in people aged 30 or younger, but there have been no deaths, said Dr. Matthew Oster, who studies myocarditis for the CDC and is a pediatric cardiologist at Children's Hospital of Atlanta. He explained that COVID-19 itself can cause myocarditis, or other heart-related issues, including MIS-C which often affects the heart.

"The bottom line is getting COVID, I think, is much riskier to the heart than getting this vaccine," Oster said.

As regards safety, some who testified during a public comment period, as well as other commentators, have questioned whether the study used by the FDA to grant emergency use authorization is large enough to assure parents that the vaccine is safe in young children.

In response, Dr. Doran Fink, clinical deputy director of the division of vaccines and related products for the FDA, told the meeting that the safety database size for this age group "is that at the upper end — or even beyond — of the safety database size that it has supported licensure of other preventive vaccines for infectious diseases."

Vaccinations of 5- to 11-year-olds starting this month could potentially prevent 600,000 cases of COVID-19 by March of next year, according to CDC models, said Dr. Sara Oliver of the CDC. Vaccination of 5–11-year-olds "would dampen, but not eliminate," the possibility that a new variant might emerge, she said.

Acknowledging that some parents are hesitant to have their children vaccinated right away, Dr. Matthew Daley, a member of the advisory committed said, "we hear you loud and clear."

"Of course you only want what's best for your child," he said. "I encourage you to talk to your family physician or pediatrician, [so] they can walk through this with you."

Jane Greenhalgh contributed to this report.
Copyright 2021 NPR. To see more, visit https://www.npr.org.

Joe Neel is NPR's deputy senior supervising editor and a correspondent on the Science Desk.
Carmel Wroth is a senior health editor for NPR's Science Desk, where she guides digital strategy for the health team and conceives and edits digital-first, enterprise stories and packages.
Jane Greenhalgh is a senior producer and editor on NPR's Science Desk.