Emerging Infectious Diseases (Dec 2023)

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

DOI
https://doi.org/10.3201/eid2912.230880
Journal volume & issue
Vol. 29, no. 12
pp. 2583 – 2586

Abstract

Read online

We describe substantial variant diversity among 23 detected SARS-CoV-2 Omicron lineage viruses cocirculating among healthcare workers and inpatients (272 sequenced samples) from Porto Alegre, Brazil, during November 2022–January 2023. BQ.1 and related lineages (61.4%) were most common, followed by BE.9 (19.1%), first described in November 2022 in the Amazon region.

Keywords