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SARS-CoV-2 seroprevalence among nursing home residents and staff in Belgium, SCOPE
Meyers, Eline; Deschepper, Ellen; Duysburgh, Els et al.
2021
 

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Abstract :
[en] From February 1st until March 24th, 2021, the SCOPE study measured the proportion of residents and staff members in Belgian nursing homes (NH) that had anti-SARS-CoV-2 antibodies (seroprevalence). In total, 1,572 residents and 1,253 staff members from 69 NHs in Belgium were tested for the presence of SARS-CoV-2 antibodies by a point-of-care rapid test, and responded to a COVID-19 related questionnaire. At the first testing moment (five bimonthly follow-up testing moments are scheduled), we observed the following:Between February 1st and March 24th, 2021, during the ongoing SARS-CoV-2 vaccination campaign, 69% (95% CI: 63%-74%) of residents and 80% (95% CI: 76%- 83%) of staff in Belgian nursing homes had anti-SARS-CoV-2 antibodies. At the time of testing 96% of the residents received at least one vaccination dose and 68% were fully vaccinated. For staff this data were respectively 85% and 48%. So, although more residents than staff were vaccinated at the moment of testing, seroprevalence was lower among residents than among staff. At least one day after receiving one dose of a COVID-19 vaccination, 52% of residents tested positive for anti-SARS-CoV-2 antibodies and 77% tested positive at least one day after receiving two doses. Among staff these findings were higher, being respectively 75% and 98%. The proportion of residents and staff with antibodies after vaccination was higher among those who reported a previous SARS-CoV-2 infection than among those without a self- reported previous infection.
Disciplines :
Public health, health care sciences & services
Author, co-author :
Meyers, Eline;  Ghent University > Department of Diagnostic Sciences
Deschepper, Ellen;  Ghent University > Biostatistics unit
Duysburgh, Els;  Sciensano > Department of epidemiology and public health
De Rop, Liselore
Deburghgraeve, Tine;  Katholieke Universiteit Leuven - KUL > Epicentre
Van Ngoc, Pauline  ;  Université de Liège - ULiège > Département des sciences cliniques > Médecine générale
Di Gregorio, Marina  ;  Université de Liège - ULiège > Département des sciences cliniques > Médecine générale
Delogne, Simon ;  Université de Liège - ULiège > Master spéc. méd. gén. (nouvelle formule 3 ans)
Coen, Anja
De Clercq, Nele
Buret, Laetitia ;  Université de Liège - ULiège > Département des sciences cliniques > Médecine générale
Coenen, Samuel
De Sutter, An
Scholtes, Béatrice  ;  Université de Liège - ULiège > Département des sciences cliniques > Médecine générale
Verbakel, Jan
Cools, Piet
Heytens, Stephan;  Ghent University > Department of Public Health and Primary Care
More authors (7 more) Less
Language :
English
Title :
SARS-CoV-2 seroprevalence among nursing home residents and staff in Belgium, SCOPE
Publication date :
15 June 2021
Publisher :
Sciensano, Bruxelles, Belgium
Number of pages :
22
Commissioned by :
Sciensano
Name of the research project :
SCOPE
Available on ORBi :
since 07 January 2022

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