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Moderna May Be Superior to Pfizer Against Delta; Breakthrough Odds Rise with Time

Photo: Reuters/Denis Balibouse

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19.

Moderna's (MRNA.O) Vaccine May Be Best Against Delta

The mRNA vaccine from Pfizer (PFE.N) and BioNTech (22UAy.DE) may be less effective than Moderna's against the Delta variant of the coronavirus, according to two reports posted on medRxiv on Sunday ahead of peer review. In a study of more than 50,000 patients in the Mayo Clinic Health System, researchers found the effectiveness of Moderna ...