The Brazilian mutation, known to be more infectious and thought by some to be more dangerous, has spread across South America – especially to Uruguay and Peru, which border Brazil.
A healthcare worker hands over doses of the Pfizer-BioNTech COVID-19 vaccine to a doctor at Messe Wien Congress Center, which has been set up as coronavirus disease vaccination centre, in Vienna, Austria February 7, 2021.(photo credit: REUTERS/LISI NIESNER/FILE PHOTO)ByMAAYAN JAFFE-HOFFMANUpdated: