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Vaccine Effectiveness against SARS-CoV-2 Variant P.1 in Nursing-Facility Residents,Washington, USA,April 2021 |
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| Authors: | James W. Lewis Julie Loughran Li Deng Jasmine Varghese Shauna Clark Casandra Harrison Molly Gacetta John A. Jernigan Katherine E. Fleming-Dutra |
| Affiliation: | Public Health Seattle and King County, Seattle, Washington, USA (J.W. Lewis, J. Loughran, S. Clark, C. Harrison, M. Gacetta);Centers for Disease Control and Prevention, Atlanta, Georgia, USA (L. Deng, J. Varghese, J.A. Jernigan. K.E. Fleming-Dutra) |
| Abstract: | A SARS-CoV-2 P.1 (Gamma) variant outbreak occurred at a skilled nursing facility in Washington, USA, in April 2021. Effectiveness of 2 doses of mRNA vaccines against P.1 infection among residents in this outbreak was 75.0% (95% CI 44.5%–88.7%), similar to effectiveness for other pre-Delta variants among long-term care residents. |
| Keywords: | COVID-19 SARS-CoV-2 P.1 vaccine effectiveness long-term care respiratory infections zoonoses viruses United States coronavirus disease severe acute respiratory syndrome coronavirus 2 |