Adverse Outcomes Associated With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Variant B.1.351 Infection in Vaccinated Residents of a Long-Term Care Home, Ontario, Canada. (6th June 2021) - Vanker, Ahmed; McGeer, Allison J; O'Byrne, Gray; Snyder, Ellen C R; Salisbury, David A; Guthrie, Jennifer L; Patel, Samir N; Gubbay, Jonathan B; Morgan, Matthew