delta variant

Door with a "face masks required" sign and a person blurred in the distance

Countries must ‘improve vaccine coverage and equity everywhere’ to combat COVID delta variant, doctor says

July 30, 2021COVID-19

Global health officials are scrambling to curb the spread of the highly infectious COVID-19 delta variant. Dr. Michael Marks, a researcher at the London School of Hygiene and Tropical Medicine joined The World’s host Marco Werman to discuss the new challenges.