Many COVID long-haulers report improved symptoms after getting the vaccine. A new study backs them up.

Vaccination in Kyiv
(Image credit: Sergei Supinsky/AFP/Getty Images)

A significant number of the 30 million Americans infected with COVID-19 have lingering symptoms months after their initial illness. And many of these people with "long COVID," or COVID long-haulers, are reporting that their symptoms improved or cleared up after getting vaccinated. "That's not how vaccines work, normally," Tom Avril writes in The Philadelphia Inquirer. "The idea is to prevent disease, not treat it."

There were concerns that getting vaccinated would actually exacerbate long-haulers' symptoms, including fatigue, brain fog, shortness of breath, headaches, insomnia, and inability to smell. But "it's clear that vaccines have helped some people with long COVID with their symptoms," Yale immunologist Akiko Iwasaki wrote in a recent Medium post, laying out three possible explanations for how vaccines attack long COVID. The evidence for these improvements has been largely anecdotal or based on informal polls among long-hauler support groups.

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Peter Weber, The Week US

Peter has worked as a news and culture writer and editor at The Week since the site's launch in 2008. He covers politics, world affairs, religion and cultural currents. His journalism career began as a copy editor at a financial newswire and has included editorial positions at The New York Times Magazine, Facts on File, and Oregon State University.