Associations Between Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Variants and Risk of Coronavirus Disease 2019 (COVID-19) Hospitalization Among Confirmed Cases in Washington State: A Retrospective Cohort Study.
Miguel I ParedesStephanie M LunnMichael FamulareLauren A FrisbieIan PainterRoy BursteinPavitra RoychoudhuryHong XieShah A Mohamed BakhashRicardo PerezMaria LukesSean EllisSaraswathi SatheesPatrick C MathiasAlexander L GreningerJoshua T SchifferChris D FrazarErica RykeWeizhi ZhongLuis GamboaMachiko ThrelkeldJover LeeEvan McDermotMelissa TruongDeborah A NickersonDaniel L BatesMatthew E HartmanEric HaugenTruong N NguyenJoshua D RichardsJacob L RodriguezJohn A StamatoyannopoulosEric ThorlandGeoff MellyPhilip E DykemaDrew C MacKellarHannah K GrayAvi SinghJohnAric M PetersonDenny RussellLaura Marcela TorresScott LindquistTrevor BedfordKrisandra J AllenHanna N OlteanPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2022)
Infection with Alpha, Gamma, or Delta results in a higher hospitalization risk, with vaccination attenuating that risk. Our findings support hospital preparedness, vaccination, and genomic surveillance.