McLEAN, Va. — Franklin Sherman Elementary School made medical history in 1954, when 114 of its students became the first healthy American children to be vaccinated against polio as part of a nationwide clinical trial. They called themselves “polio pioneers.”
On Monday the school again earned a place in the spotlight, by running a coronavirus vaccine clinic for its students that the first lady, Jill Biden, visited with the surgeon general, Dr. Vivek Murthy. Dozens of young children, accompanied by their parents, trooped through its brightly colored gymnasium to get their shots.
The visit kicked off what White House officials said would be a national push, led by Dr. Biden, to persuade parents and guardians to vaccinate 5- to 11-year-olds now that the shots are available to them. The administration has already shipped 15 million pediatric doses across the country to doctors’ offices, children’s hospitals, community health centers, pharmacies and schools, with the goal of vaccinating all 28 million children in the age group.
Dr. Biden offered a simple and direct message to parents: “This vaccine is the best way to protect your children against Covid-19. It’s been thoroughly reviewed and rigorously tested. It’s safe. It’s free, and it’s available for every child in this country.”
Public health experts view vaccinating young children as a critical step toward bringing the pandemic under control. The Food and Drug Administration Administration authorized the Pfizer-BioNTech vaccine for children 5 to 11 at the end of October, and last week the Centers for Disease Control and Prevention endorsed it.
It is too soon to tell how the rollout is going. The C.D.C. will not release data on how many young children have been vaccinated until Wednesday, officials said.
But at Franklin Sherman Elementary in the suburbs of Washington, demand was high. The school has 355 students and quickly filled all 260 appointments at Monday’s clinic, run by the Fairfax County Health Department. Dr. Biden and Dr. Murthy, who said he was eager to get his 5-year-old vaccinated, handed out stickers to students who had just gotten their shots.
“You guys are leaders,” Dr. Biden told them, “so thank you for being so brave.”
Later, the two addressed students and their parents. “The truth is that Covid is not harmless in children,” Dr. Murthy said, adding, “We have tragically lost hundreds of children to the pandemic.”
The administration’s campaign to vaccinate young children does not look at all like the rollout for adults, nearly a year ago. There are no mass vaccination sites. Pediatricians and pharmacies are doing much of the work. The vials — and the needles to administer doses — are smaller.
The administration is also hoping that schools like Franklin Sherman will play a major role. On Monday, Xavier Becerra, the secretary of health and human services, and Miguel A. Cardona, the education secretary, sent a letter to school superintendents and elementary school principals across the country urging them to encourage vaccination, including by holding clinics.
But getting parents comfortable with vaccinating their children has sometimes been difficult, even when the children are older. In more conservative areas of the country, school officials are treading lightly in promoting the vaccine.
A survey by the Kaiser Family Foundation, published last month before the F.D.A.’s authorization for younger children, found that 27 percent of parents said they would “definitely not” get their 5-to-11-year-olds vaccinated against the coronavirus. An additional 33 percent said they would “wait and see” how the vaccine was working before getting their children the shots.
That was not the case nearly 70 years ago, when Dr. Jonas Salk announced that he had invented a vaccine against poliomyelitis, the virus that causes polio. President Franklin D. Roosevelt, who was paralyzed by polio, led the push to eradicate the disease, known then as “infant paralysis” because it so often struck children. (Senator Mitch McConnell of Kentucky, the Republican leader, also contracted the disease when he was two and walks with a slight limp as a result.)
By drawing attention to Franklin Sherman Elementary, the White House hoped to remind the public of that earlier era, when the country pulled together to fight a terrifying threat. When Dr. Biden and Dr. Murthy arrived on Monday, they chatted with the school principal, Kathleen Quigley, against the backdrop of two easels displaying black-and-white photos of children getting their polio shots 67 years ago.
The school and its “polio pioneers” are mindful of their place in history. One of them, Jackie Lonergan, now 75, told The Washington Post that parents did not question whether their children should get Dr. Salk’s experimental vaccine. (In a rare interview in 1993, Dr. Salk told a reporter that his vaccine had offered “freedom from fear.”)
“We were very patriotic then,” the newspaper quoted Ms. Lonergan as saying. “The war was over and the country was booming. It was a very optimistic time.”