Pfizer Vaccine Only Slightly Less Effective Against Key South African Mutations - Study

Pfizer Inc and BioNTech's COVID19 vaccine appeared to only lose a small bit of effectiveness against an engineered virus with three key mutations from the new variant found in South Africa, according to a laboratory study conducted by the U.S. drugmaker.

from Top World News- News18.com https://ift.tt/3iVkVSM