Vaccine effectiveness against severe COVID-19 during the Omicron wave in Germany: results from the COViK study.
Anna Stoliaroff-PepinCaroline PeineTim HerathJohannes LachmannWiebke HellenbrandDelphine PerriatAchim DörreAndreas NitscheJanine MichelMarica GrossegesseNatalie HofmannThomas RinnerClaudia KohlAnnika BrinkmannTanja C MeyerDaniel SternFridolin TreindlBrigitte Gertrud DornerSascha HeinLaura WerelEberhard HildtSven GläserHelmut SchühlenCaroline IsnerAlexander PericAmmar GhouziAnnette ReichardtMatthias JanneckGuntram LockDominik HusterThomas GrünewaldLars SchaadeOle WichmannThomas HarderPublished in: Infection (2023)
Three vaccine doses remained highly effective in preventing severe disease and this protection was sustained; a fourth dose further increased protection.