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Volume 29, Number 12—December 2023
Research Letter

Substantial Diversity in Cocirculating Omicron Lineages in Hospital Setting, Porto Alegre, Brazil

Tiago F. Andreis, Vlademir V. Cantarelli, Marcelo B. da Silva, Mateus S. Helfer, Flávia R. Brust, Alexandre P. Zavascki, and GAIHN-HAI Team1
Author affiliations: Hospital Moinhos de Vento, Porto Alegre, Brazil (T.F. Andreis, M.S. Helfer, A.P. Zavascki); Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre (V.V. Cantarelli); Unimed Vale dos Sinos, Novo Hamburgo, Brazil (M.B. da Silva); Universidade do Vale do Rio dos Sinos, São Leopoldo, Brazil (M.B. da Silva); Health Security Partners, Washington, DC, USA (F.R. Brust); Universidade Federal do Rio Grande do Sul, Porto Alegre (A.P. Zavascki)

Main Article

Table

Identification of Omicron SARS-CoV-2 lineages among healthcare workers and inpatients in Porto Alegre, southern Brazil, November 2022–January 2023

Group Lineage No. cases % Cases Cumulative %
BQ.1, n = 167 (61.4%)
 BQ.1.1 140 51.5 51.5
BQ.1.1.18 14 5.1 56.6
BQ.1.3 3 1.1 57.7
BQ.1 3 1.1 58.8
BQ.1.1.23 2 0.7 59.6
BQ.1.1.15 1 0.4 59.9
BQ.1.1.17 1 0.4 60.3
BQ.1.1.22 1 0.4 60.7
BQ.1.1.24 1 0.4 61.0
BQ.1.1.4
 1
 0.4
 61.4
BE.9, n = 52 (19.1%)
 BE.9
 52
 19.1
 80.5
BA.5, n = 15 (5.5%)
 BA.5.3.1 6 2.2 82.7
BA.5 4 1.5 84.2
BA.5.2.1 3 1.1 85.3
BA.5.1.27
 2
 0.7
 86.0
Other lineages, n = 38 (14%)
 BE.10 14 5.1 91.2
CK.1 11 4.0 95.2
DL.1 3 1.1 96.3
XBB.1 3 1.1 97.4
XBB.1.5 1 0.4 97.8
BA.4.6 3 1.1 98.9
BN.1.3.1 2 0.7 99.6
BN.1.5
 1
 0.4
 100.0
Total 272 100.0 100.0

Main Article

1Team members are listed at the end of this article.

Page created: October 20, 2023
Page updated: November 22, 2023
Page reviewed: November 22, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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