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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
Author(s) -
Chantal Williams,
Dana Al-Bargash,
Celeste Macalintal,
Rebecca Stuart,
Anu Seth,
Julienne Latham,
Leah Gitterman,
Stephanie Fedsin,
Marion Godoy,
Robert Kozak,
Jennifer L. Guthrie,
Heidi Wood,
Allison McGeer,
Susy Hota,
Elizabeth Rea
Publication year - 2021
Publication title -
clinical infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.44
H-Index - 336
eISSN - 1537-6591
pISSN - 1058-4838
DOI - 10.1093/cid/ciab617
Subject(s) - medicine , outbreak , coronavirus , vaccination , infection control , virology , betacoronavirus , covid-19 , confidence interval , pediatrics , disease , intensive care medicine , infectious disease (medical specialty)
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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