Impact of SARS-CoV-2 Alpha variant (B.1.1.7) on prisons, England. - Vusirikala A; Flannagan J; Czachorowski M; Zaidi A; Twohig KA; Plugge E; Ellaby N; Rice W; Dabrera G; Chudasama DY; Lamagni T (Public health, 2022)