January 25, 2021

Moderna Finds COVID-19 Vaccine Less Effective Against Variant Found In South Africa-NPR

Moderna says tests show its COVID-19 vaccine offers protection against new variants of the coronavirus, but that the vaccine is more effective against the variant first identified in the U.K. than one found in South Africa. As a result, Moderna will test booster doses of its vaccine – including one that would be tailored to fight strains that have recently emerged. NPR, 01/25/2021