The COVID-19 vaccine made by Pfizer and BioNTech appears to put young men at elevated risk of developing a heart muscle inflammation called myocarditis, researchers in Israel say. In a report submitted today to the Israeli Ministry of Health, they conclude that between
one in 3000 and one in 6000 men ages 16 to 24 who received the vaccine developed the rare condition.
But most cases were mild and resolved within a few weeks, which is typical for myocarditis. “I can’t imagine it’s going to be anything that would cause medical people to say we shouldn’t vaccinate kids,” says Douglas Diekema, a pediatrician and bioethicist at Seattle Children’s Hospital.
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“From a parent’s perspective, this really comes down to risk perception, assessment of the data,” says Diekema, who has studied risk-benefit trade-offs. Even if a link between myocarditis and the vaccine holds up,
the condition is usually mild, requiring treatment only with anti-inflammatory drugs, whereas COVID-19 infection can also cause serious disease and long-term side effects, even in young people. As suspicion has percolated about a possible connection, “I don’t know many physicians who are changing their minds about vaccinating their kids,” Diekema says.