Effectiveness of a Third Dose of Pfizer-BioNTech and Moderna Vaccines in Preventing COVID-19 Hospitalization Among Immunocompetent and Immunocompromised Adults - United States, August-December 2021.

Tenforde, Mark W;Patel, Manish M;Gaglani, Manjusha;Ginde, Adit A;Douin, David J;Talbot, H Keipp;Casey, Jonathan D;Mohr, Nicholas M;Zepeski, Anne;McNeal, Tresa;Ghamande, Shekhar;Gibbs, Kevin W;Files, D Clark;Hager, David N;Shehu, Arber;Prekker, Matthew E;Erickson, Heidi L;Gong, Michelle N;Mohamed, Amira;Johnson, Nicholas J;Srinivasan, Vasisht;Steingrub, Jay S;Peltan, Ithan D;Brown, Samuel M;Martin, Emily T;Monto, Arnold S;Khan, Akram;Hough, Catherine L;Busse, Laurence W;Duggal, Abhijit;Wilson, Jennifer G;Qadir, Nida;Chang, Steven Y;Mallow, Christopher;Rivas, Carolina;Babcock, Hilary M;Kwon, Jennie H;Exline, Matthew C;Botros, Mena;Lauring, Adam S;Shapiro, Nathan I;Halasa, Natasha;Chappell, James D;Grijalva, Carlos G;Rice, Todd W;Jones, Ian D;Stubblefield, William B;Baughman, Adrienne;Womack, Kelsey N;Rhoads, Jillian P;Lindsell, Christopher J;Hart, Kimberly W;Zhu, Yuwei;Naioti, Eric A;Adams, Katherine;Lewis, Nathaniel M;Surie, Diya;McMorrow, Meredith L;Self, Wesley H