Media reports of breakthrough cases sometimes leave the impression that the vaccines don't work well against variants. Not so. Public Health England estimates good vaccine effectiveness for both alpha and delta (June 25 update; UK mostly uses AZ.) https://t.co/vK06s563tj pic.twitter.com/rcypunXsdW— Caitlin Rivers, PhD (@cmyeaton) July 19, 2021
Media reports of breakthrough cases sometimes leave the impression that the vaccines don't work well against variants. Not so. Public Health England estimates good vaccine effectiveness for both alpha and delta (June 25 update; UK mostly uses AZ.) https://t.co/vK06s563tj pic.twitter.com/rcypunXsdW
07-20-2021, 08:37 AM
