 "omicron")
The World Health Organization (WHO) has announced that the B.1.1.529 lineage of Sars-CoV-2, thought to have emerged in southern Africa, is to be designated as a variant of concern (VoC) named omicron. This decision has already precipitated a broad shift in priorities in pandemic management on a global scale.
The WHO has recommended, among other things, increased surveillance, particularly virus genome sequencing; focused research to understand the dangers posed by this variant; and ramping up mitigation measures, such as mandatory mask wearing. Greater restrictions on international travel have already come into force in the UK and many
