Artikel: Reduction in Long COVID Symptoms and Symptom Severity in Vaccinated Compared to Unvaccinated Adults.
Open forum infectious diseases
2024 Band 11, Heft 2, Seite(n) ofae039
Abstract: Background: The impact of vaccination prior to infection on postacute sequelae of coronavirus disease 2019 (COVID-19, PASC), also known as long COVID, remains unclear. Here we assess the protective effect of vaccination on long COVID in a community- ... ...
Abstract | Background: The impact of vaccination prior to infection on postacute sequelae of coronavirus disease 2019 (COVID-19, PASC), also known as long COVID, remains unclear. Here we assess the protective effect of vaccination on long COVID in a community-based setting. Methods: The Immunity Associated with SARS-CoV-2 (IASO) study is an ongoing prospective cohort of working adults that began in October 2020. Participants are actively followed for severe acute respiratory syndrome coronavirus 2 infection. We compared the prevalence of symptoms and symptom severity in vaccinated compared to unvaccinated cases. Our primary definition of long COVID was the presence of symptoms at 90 days postinfection; 30 days postinfection was also examined. Results: Overall, by 90 days postinfection, 13% of cases had long COVID, with 27% of unvaccinated cases and 8% of vaccinated cases reporting long COVID (relative risk [RR], 0.31 [95% confidence interval {CI}, .22-.42]). Vaccination was also associated with significantly lower average severity scores at all timepoints (eg, relative severity at 90 days postinfection: -2.70 [95% CI, -1.68 to -3.73]). In the pre-Omicron era, 28% of unvaccinated cases and 18% of vaccinated cases reported long COVID ( Conclusions: Vaccinated cases had lower prevalence of long COVID and reduced symptom severity. |
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Sprache | Englisch |
Erscheinungsdatum | 2024-01-23 |
Erscheinungsland | United States |
Dokumenttyp | Journal Article |
ZDB-ID | 2757767-3 |
ISSN | 2328-8957 |
ISSN | 2328-8957 |
DOI | 10.1093/ofid/ofae039 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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