Vaccine Effectiveness against SARS-CoV-2 Variant P.1 in Nursing-Facility Residents, Washington, USA, April 2021

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 a...

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Veröffentlicht in:	Emerging infectious diseases 2022-11, Vol.28 (11), p.2338-2341
Hauptverfasser:	Lewis, James W, Loughran, Julie, Deng, Li, Varghese, Jasmine, Clark, Shauna, Harrison, Casandra, Gacetta, Molly, Jernigan, John A, Fleming-Dutra, Katherine E
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Antigens Clinical trials Coronaviruses COVID-19 COVID-19 - epidemiology COVID-19 - prevention & control COVID-19 vaccines Disease control Disease prevention Drug dosages Ethnicity Humans Immunization Infections Laboratories Long term health care long-term care Medical records mRNA vaccines Nursing P.1 Patient safety Preventive medicine Public health Research Letter respiratory infections SARS-CoV-2 SARS-CoV-2 - genetics Severe acute respiratory syndrome coronavirus 2 vaccine effectiveness Vaccine Efficacy Washington - epidemiology Working groups
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Beschreibung
Zusammenfassung:	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.
ISSN:	1080-6040 1080-6059
DOI:	10.3201/eid2811.221043