Coronavirus Disease 2019 (COVID-19) Outbreak Associated With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) P.1 Lineage in a Long-Term Care Home After Implementation of a Vaccination Program—Ontario, Canada, April–May 2021

Coronavirus Disease 2019 (COVID-19) Outbreak Associated With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) P.1 Lineage in a Long-Term Care Home After Implementation of a Vaccination Program—Ontario, Canada, April–May 2021

Abstract In a P.1 coronavirus disease 2019 (COVID-19) outbreak in a long-term care home, vaccine effectiveness against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was 52.5% (95% confidence interval: 26.9%–69.1%) in residents and 66.2% (2.3%–88.3%) in staff. Vaccine effecti...

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Veröffentlicht in:Clinical infectious diseases 2022-03, Vol.74 (6), p.1085-1088
Hauptverfasser: Williams, Chantal, Al-Bargash, Dana, Macalintal, Celeste, Stuart, Rebecca, Seth, Anu, Latham, Julienne, Gitterman, Leah, Fedsin, Stephanie, Godoy, Marion, Kozak, Robert, Guthrie, Jennifer L, Wood, Heidi, McGeer, Allison, Hota, Susy, Rea, Elizabeth
Format: Artikel
Sprache:eng
Schlagworte:
COVID-19 - prevention & control
Disease Outbreaks - prevention & control
Humans
Long-Term Care
Ontario - epidemiology
SARS-CoV-2
Vaccination
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Zusammenfassung:Abstract In a P.1 coronavirus disease 2019 (COVID-19) outbreak in a long-term care home, vaccine effectiveness against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was 52.5% (95% confidence interval: 26.9%–69.1%) in residents and 66.2% (2.3%–88.3%) in staff. Vaccine effectiveness against severe illness was 78.6% (47.9%–91.2%) in residents. Two of 19 vaccinated resident case patients died. Outbreak management required both vaccination and infection control measures.
ISSN:1058-4838
1537-6591
DOI:10.1093/cid/ciab617