Getting at least one dose of a COVID-19 vaccine decreases the chances of having symptoms beyond 3 weeks or developing long COVID, a new analysis shows.
When compared to people who got no vaccine at all, a single dose of Pfizer, Moderna, AstraZeneca, or the Janssen vaccine was 29% effective at preventing long COVID. The protection was strongest for those who were vaccinated before being infected with the coronavirus. Post-infection vaccination also helped .
Since the analysis"showed a significant reduction of post-COVID-19 conditions with the vaccine even after having COVID-19, vaccine should be offered to unvaccinated individuals who have had COVID-19,” the authors wrote.Antimicrobial Stewardship & Healthcare Epidemiology . Researchers analyzed data for 1.6 million people from 10 studies published from December 2019 to April 2022. The studies they selected evaluated COVID-19 vaccine effectiveness by comparing outcomes for vaccinated and unvaccinated people. Specifically, the researchers looked at how many people had symptoms present 3 or more weeks after having COVID-19.
“The most common symptoms were fatigue or muscle weakness, muscle pain, anxiety, impaired memory, sleep difficulties, and shortness of breath,” according to a
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