Howard-Jones AR, Arnott A, Draper J, Gall M, et al. Emergent Omicron BR.2.1 Sublineage of SARS-CoV-2 in New South Wales, Australia: A
Subvariant with High Fitness but Without Increased Disease Severity. Int J Infect Dis 2023 Feb 24:S1201-9712(23)00068.
PMID: 36842755