Getting at least one dose of a COVID vaccine lowers the risk of developing long COVID, suggests a study published online Dec. 6, 2022, by the journal Antimicrobial Stewardship & Healthcare Epidemiology. According to the CDC, 13.3% of people infected with COVID get long COVID — defined as experiencing symptoms lasting longer than a month or having symptoms that go away and return months later.
Researchers analyzed COVID vaccine data for 1.6 million people from 10 studies published from December 2019 to April 2022. They focused on how many people had COVID symptoms lasting longer than three to four weeks after testing positive and whether or not they were vaccinated. The analysis found that people who got a single dose of the Pfizer, Moderna, AstraZeneca, or Johnson & Johnson vaccine before testing positive for COVID had a 35% lower risk of developing long COVID compared with unvaccinated people who got COVID.
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About the Author
Matthew Solan, Executive Editor, Harvard Men's Health Watch
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