Pfizer's COVID-19 vaccine less effective against South African variant
"Our work suggests the vaccine is likely to be less effective when dealing with this mutation."
Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020(photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByREUTERS