Effectiveness of COVID-19 Vaccines in Preventing Hospitalization Among Adults Aged ≥65 Years - COVID-NET, 13 States, February-April 2021.

Moline HL;Whitaker M;Deng L;Rhodes JC;Milucky J;Pham H;Patel K;Anglin O;Reingold A;Chai SJ;Alden NB;Kawasaki B;Meek J;Yousey-Hindes K;Anderson EJ;Farley MM;Ryan PA;Kim S;Nunez VT;Como-Sabetti K;Lynfield R;Sosin DM;McMullen C;Muse A;Barney G;Bennett NM;Bushey S;Shiltz J;Sutton M;Abdullah N;Talbot HK;Schaffner W;Chatelain R;Ortega J;Murthy BP;Zell E;Schrag SJ;Taylor C;Shang N;Verani JR;Havers FP