Emerging Infectious Diseases (Dec 2023)
Substantial Diversity in Cocirculating Omicron Lineages in Hospital Setting, Porto Alegre, Brazil
Abstract
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