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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.
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.
  • Williams C; Infection Prevention and Control Department, University Health Network, Toronto, Ontario, Canada.
  • Al-Bargash D; Toronto Public Health, Toronto, Ontario, Canada.
  • Macalintal C; Responsive Management, Toronto, Ontario, Canada.
  • Stuart R; Toronto Public Health, Toronto, Ontario, Canada.
  • Seth A; Toronto Public Health, Toronto, Ontario, Canada.
  • Latham J; Responsive Management, Toronto, Ontario, Canada.
  • Gitterman L; Infection Prevention and Control Department, University Health Network, Toronto, Ontario, Canada.
  • Fedsin S; Infection Prevention and Control Department, University Health Network, Toronto, Ontario, Canada.
  • Godoy M; Responsive Management, Toronto, Ontario, Canada.
  • Kozak R; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
  • Guthrie JL; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
  • Wood H; Public Health Ontario Laboratory, Toronto, Ontario, Canada.
  • McGeer A; National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada.
  • Hota S; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
  • Rea E; Department of Microbiology, Sinai Health System, Toronto, Ontario, Canada.
Clin Infect Dis ; 74(6): 1085-1088, 2022 03 23.
Article in English | MEDLINE | ID: covidwho-1699692
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.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study Topics: Long Covid / Vaccines Limits: Humans Country/Region as subject: North America Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article Affiliation country: Cid

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