102314429 OP : NEW YORK (REUTERS) - The mRNA vaccine from Pfizer and BioNTech may be less effective than Moderna's against the Delta variant of the coronavirus, according to two reports posted on medRxiv on Sunday (Aug 8) ahead of peer review.https://www.straitstimes.com/world/united-states/moderna-may-be-superior-to-pfizer-against-delta
102314429 OP : NEW YORK (REUTERS) - The mRNA vaccine from Pfizer and BioNTech may be less effective than Moderna's against the Delta variant of the coronavirus, according to two reports posted on medRxiv on Sunday (Aug 8) ahead of peer review.https://www.straitstimes.com/world/united-states/moderna-may-be-superior-to-pfizer-against-delta