Post-acute sequelae after SARS-CoV-2 infection by viral variant and vaccination status: a multicenter cross-sectional study.
Christian R KahlertCarol StrahmSabine GüsewellAlexia CusiniAngela BrucherStephan GoppelElisabeth MöllerJ Carsten MöllerManuela OrtnerMarkus RuettiReto StockerDanielle Vuichard-GysinUlrike BesoldAllison McGeerLorenz RischAndrée FriedlMatthias SchlegelPietro VernazzaStefan P KusterPhilipp P Kohlernull nullPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2023)
Previous infection with pre-Omicron variants was the strongest risk factor for PASC symptoms among our HCW. Vaccination prior to Omicron BA.1 infection was not associated with a clear protective effect against PASC symptoms in this population.