Omicron (B.1.1.529): SARS-CoV-2 Variant of Corona Family
Omicron (B.1.1.529): SARS-CoV-2 Variant of Corona Family The B.1.1.529 variant was first reported from South Africa on 24 November 2021 . The epidemiological situation in South Africa has been characterized by three distinct peaks in reported cases, the latest of which was predominantly the Delta variant. The first known confirmed B.1.1.529 infection was from a specimen collected on 9 November 2021 . This variant has a large number of mutations, some of which are concerning. Preliminary evidence suggests an increased risk of reinfection with this variant , as compared to other variants of concern (VOCs). The number of cases of this variant appears to be increasing in almost all provinces in South Africa. Current SARS-CoV-2 PCR diagnostics continue to detect this variant. Several labs have indicated that for one widely used PCR test, one of the three target genes is not detected (called S gene dropout or S gene target failure) and ...