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.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10683828 | PMC |
| http://dx.doi.org/10.3201/eid2912.230880 | DOI Listing |
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