Why 3 former presidents said they'd get the COVID vaccine on camera

Standing up for vaccination is one way to encourage the public.

Three former presidents said this month that they would get the coronavirus vaccine publicly in order to boost Americans' confidence in the vaccine's safety.

Through spokespeople, former Presidents George Bush and Bill Clinton, confirmed to CNN and ABC News that they would also get the vaccine on camera if it would help encourage Americans to get vaccinated.

Dr. Anthony Fauci was also in favor. "I will get vaccinated and I will get vaccinated publicly," Fauci told JAMA last week.

Offers to get vaccinated publicly isn't just political theater, according to Noel Brewer, a professor of health behavior at UNC Gillings School of Global Public Health.

It's also a move with historical precedent.

In 2009, Obama rolled up his sleeve for White House photographers while getting the H1N1 vaccine. "People need to understand that this vaccine is safe," he told American Urban Radio Networks at the time. "Michelle and I just got the shots ourselves," he said. "We wanted to make sure nationwide that children were getting it before adults did. And now there's enough vaccine so that adults should get it as well."

President Gerald Ford similarly rolled up his sleeve on camera as part of his 1976 campaign to vaccinate everyone in the country after swine flu was detected at a New Jersey military base. But Ford's campaign involved fast-tracking a vaccine during an election year. When no pandemic came to pass and 30 people out of the 40 million vaccinated died from adverse reactions to the vaccine, the Centers for Disease Control and Prevention's credibility suffered.

While Ford is a cautionary tale, Brewer pointed out that there can be damaging consequences when leaders don't stand up for vaccination.

A study Brewer published last year in the journal Vaccines, found that when authorities in Denmark were slow to respond to news stories that questioned the safety of the HPV vaccine, vaccine uptake among girls fell 14%.

Although the Danish authorities eventually stepped in, "the periods with negative media coverage left over 26,000 older girls unvaccinated who would have otherwise received the vaccine," Brewer and his co-authors wrote. "The missed doses may, over time, translate to as many as 180 avoidable cervical cancers and 45 deaths."

In the end, combining strategies, like low-cost and accessible vaccination programs coupled with trusted public figures getting vaccinated themselves, works better than any single approach.

"The bottom line is that this is really good news," Brewer said of the former presidents' vaccine pledge.

"Trump getting vaccinated would also be very productive," he added.

ABC News' Benjamin Gittleson contributed to this report.

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