Fauci says delta variant is the 'greatest threat' in our fight against COVID-19. Why?

A highly transmissible SARS-CoV-2 variant called "delta" has spread to nearly 100 countries around the world, including to the U.S., where it's likely to soon become the dominant variant.

from Livescience.com https://ift.tt/35TjsXq
via IFTTT