Scientists scramble to track new SARS-CoV-2 variant

Despite concern about the extent of its mutations, it's virulence is not yet known, experts say

A new SARS-CoV-2 variant has prompted an emergency meeting at the WHO to decide whether it should be declared a variant of concern.

The B.1.1.529 variant — which contains more than 30 mutations on the spike protein — has been identified in South Africa and Botswana, sending scientists scrambling to track its spread.