People who had been fully vaccinated against covid-19 were around half as likely to develop long covid symptoms as people who had received only one vaccine dose or were unvaccinated, the UK Health Security Agency has said.1
The agency conducted a rapid review of evidence, including 15 UK and international studies up to January 2022. Being vaccinated was defined as having two doses of the Pfizer-BioNTech, Oxford-AstraZeneca, or Moderna vaccine or one dose of the Janssen vaccine.
The review found that vaccine effectiveness against most post-covid symptoms in adults was highest in people over 60 and lowest in those aged 19 to 35.
Around 2% of the UK population have reported symptoms of long covid (or “post-covid syndrome”), which can last for more than four weeks after the initial SARS-CoV-2 infection. The most common symptoms are fatigue, shortness of breath, and muscle or joint pain.
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Source: Mahase E. Covid-19: Vaccinated people are less likely to get long covid, review finds. BMJ. 2022 Feb 16;376:o407. doi: 10.1136/bmj.o407. PMID: 35172970. https://www.bmj.com/content/376/bmj.o407 (Full text)