As it spreads, it's mutating, taking on new characteristics, that can make it harder to fight. New variants found in South Africa and the UK are more contageous - straining health services. Japan is trying to isolate a new variant from Brazil. There's no proof any of them are any deadlier, but the virus is constantly changing, and could eventually make vaccines less effective.
Subscribe to:
Post Comments (Atom)
Comments
Post a Comment
Leave a comment. Thanks!
Comentarios de Facebook