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

Lewis, James W; Loughran, Julie; Deng, Li; Varghese, Jasmine; Clark, Shauna; Harrison, Casandra; Gacetta, Molly; Jernigan, John A; Fleming-Dutra, Katherine E

Lewis, James W; Loughran, Julie; Deng, Li; Varghese, Jasmine; Clark, Shauna; Harrison, Casandra; Gacetta, Molly; Jernigan, John A; Fleming-Dutra, Katherine E.

Emerg Infect Dis ; 28(11): 2338-2341, 2022 Nov.

Article in English | MEDLINE | ID: covidwho-2054904

ABSTRACT

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.

Subject(s)

COVID-19; SARS-CoV-2; Humans; SARS-CoV-2/genetics; Washington/epidemiology; Vaccine Efficacy; COVID-19/epidemiology; COVID-19/prevention & control

Keywords

COVID-19; P.1; SARS-CoV-2; United States; coronavirus disease; long-term care; respiratory infections; severe acute respiratory syndrome coronavirus 2; vaccine effectiveness; viruses; zoonoses

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Experimental Studies / Observational study Topics: Vaccines / Variants Limits: Humans Country/Region as subject: North America Language: English Journal: Emerg Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article

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