How does the Delta variant differ from original strain?
https://healthell.blogspot.com/2021/07/how-does-delta-variant-differ-from.html
How does the Delta variant differ from original strain?
The highly transmissible Delta variant rapidly spreading in the U.S. and spurring some calls for masks regardless of vaccination status harbors over a dozen mutations, some of which are linked to vaccine escape and heightened spread from person to person, experts say.
