An outbreak caused by the SARS-CoV-2 Delta (B.1.617.2) variant in a care home after partial vaccination with a single dose of the COVID-19 vaccine Vaxzevria, London, England, April 2021

We investigated a COVID-19 outbreak of the SARS-CoV-2 Delta variant of concern in a London care home, where 8/21 residents and 14/21 staff had received a single dose of Vaxzevria (ChAdOx1-S; AstraZeneca) vaccine. We identified 24 SARS-CoV-2 infections (16 residents, 8 staff) among 40 individuals (19...

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Bibliographic Details
Published in:Euro surveillance : bulletin européen sur les maladies transmissibles 2021-07, Vol.26 (27), p.1
Main Authors: Williams, Sarah V, Vusirikala, Amoolya, Ladhani, Shamez N, Fernandez Ruiz De Olano, Elena, Iyanger, Nalini, Aiano, Felicity, Stoker, Kelly, Gopal Rao, Guduru, John, Laurence, Patel, Bharat, Andrews, Nick, Dabrera, Gavin, Ramsay, Mary, Brown, Kevin E, Lopez Bernal, Jamie, Saliba, Vanessa
Format: Article
Language:English
Subjects:
COVID-19
COVID-19 Vaccines
Disease Outbreaks
Drug dosages
England
Humans
Immunization
London - epidemiology
Nursing homes
Rapid Communication
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Vaccination
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Summary:We investigated a COVID-19 outbreak of the SARS-CoV-2 Delta variant of concern in a London care home, where 8/21 residents and 14/21 staff had received a single dose of Vaxzevria (ChAdOx1-S; AstraZeneca) vaccine. We identified 24 SARS-CoV-2 infections (16 residents, 8 staff) among 40 individuals (19 residents, 21 staff); four (3 residents, 1 staff) were hospitalised, and none died. The attack rate after one vaccine dose was 35.7% (5/14) for staff and 81.3% (13/16) for residents.
ISSN:1560-7917
1025-496X
1560-7917
DOI:10.2807/1560-7917.ES.2021.26.27.2100626