Moderna does one better than Pfizer/BioNTech; touts 94.5% efficacy for its Covid vaccine November 16, 2020 Auto Bot BioNTech, BioPharma, biopharma nl, CDC, Diagnostics, FDA, Moderna, mRNA-1273, News, Pfizer, Pharma 0 The company is the second this month to report promising results for a Covid-19 vaccine even as the virus rages across the U.S.