Vials of the Pfizer-BioNTech vaccine are pictured in a vaccination centre in Geneva, Switzerland, February 3, 2021. REUTERS/Denis Balibouse Read More Aug 9 (Reuters) - 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
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