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Volume 27, Number 12—December 2021
Dispatch

Large-Scale Screening of Asymptomatic Persons for SARS-CoV-2 Variants of Concern and Gamma Takeover, Brazil

Douglas Adamoski1Comments to Author , Jaqueline Carvalho de Oliveira, Ana Claudia Bonatto, Roseli Wassem, Meri Bordignon Nogueira, Sonia Mara Raboni, Edvaldo da Silva Trindade, Emanuel Maltempi de Souza, Daniela Fiori Gradia1, and SCB-UFPR COVID-19 team,2
Author affiliations: Brazilian Biosciences National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, Brazil (D. Adamoski); Universidade Federal do Paraná, Curitiba, Brazil (D. Adamoski, J. Carvalho de Oliveira, A.C. Bonatto, R. Wassem, M.B. Nogueira, S.M. Raboni, E.S. Trindade, E.M. de Souza, D.F. Gradia)

Main Article

Table

Collection dates, engagement, and positivity rates for severe acute respiratory syndrome coronavirus 2 infection, Curitiba, Brazil

Date Total tested No. (%) positive
2020 Oct 2 275 0
2020 Oct 19 279 0
2020 Nov 6 510 6 (1.18)
2020 Nov 24 1,265 34 (2.69)
2020 Dec 8 1,070 17 (1.59)
2021 Jan 12 1,692 23 (1.36)
2021 Jan 26 1,737 14 (0.81)
2021 Feb 9 1,615 16 (0.99)
2021 Mar 29 196 1 (0.51)
2021 Apr 12 157 4 (2.55)
2021 Apr 20 872 2 (0.23)
2021 Apr 26 162 4 (2.47)
2021 May 4 884 12 (1.36)
2021 May 10 177 1 (0.56)
2021 May 18 1,431 20 (1.4)
2021 May 24
 236
 7 (2.97)
Total 12,558 161 (1.28)

Main Article

1These authors were co–principal investigators.

2Members of the group are listed at the end of this article.

Page created: September 13, 2021
Page updated: November 19, 2021
Page reviewed: November 19, 2021
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