Reduced risk of long COVID after vaccination shown in analysis of 25 studies

Analysis of 25 studies shows reduced risk of long COVID after vaccination Two doses of COVID vaccine before infection was tied to a 24% reduced odds of having long COVID. CIDRAP

A new meta-analysis of studies involving more than 14 million people published in the Journal of Infection shows that COVID-19 vaccination is associated with a lower risk of developing long COVID, with two doses reducing the odds by 24% and one dose reducing the odds by 15%.

In the 25 studies published up to February 2024 that were included for analysis, long COVID was defined as persistent symptoms at 3 months or beyond, and all studies compared long-COVID symptoms between vaccinated and unvaccinated groups, with the number of doses received by participants specified. All studies included were observational trials and included in total 14,128,260 participants.

...