Israeli Pfizer official: COVID vaccine effective against Delta variant
First identified in India, Delta is becoming the globally dominant version of the coronavirus, according to the World Health Organization.
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)ByREUTERSUpdated:
