This variant has spread through South Africa with remarkable speed – and has been detected in at least 60 other countries. Experts are trying to figure out the next stage for this unwelcome variant.
(Image credit: NPR)
This variant has spread through South Africa with remarkable speed – and has been detected in at least 60 other countries. Experts are trying to figure out the next stage for this unwelcome variant.
(Image credit: NPR)
