CNN reporter explains why scientists are keeping an eye on new variant
South African researchers say they've been keeping a close eye on a new coronavirus variant called C.1.2. CNN's David McKenzie explains why it's so difficult to track the variant and how dangerous it is.
South African researchers say they've been keeping a close eye on a new coronavirus variant called C.1.2. CNN's David McKenzie explains why it's so difficult to track the variant and how dangerous it is.