Zitat:
In a sample of UK adults aged 18 to 69 years, receiving two doses of a coronavirus (COVID-19) vaccine at least two weeks before a first test-confirmed COVID-19 infection was associated with a 41.1% decrease in the odds of self-reported long COVID at least 12 weeks later, relative to socio-demographically similar study participants who were not vaccinated when infected (Figure 1).
This analysis was based on data to 30 November 2021, and longer follow-up time is needed to assess the impact of booster doses and the Omicron variant; furthermore, the observational nature of the analysis means that we cannot say whether COVID-19 vaccination caused subsequent changes in the likelihood of self-reported long COVID.
Long COVID symptoms of any severity were reported by 9.5% of double-vaccinated study participants, compared with 14.6% of socio-demographically similar participants who were unvaccinated when infected; the corresponding estimates for long COVID symptoms severe enough to result in limitation to day-to-day activities were 5.5% and 8.7% respectively.
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