In Head-to-Head Comparison, Moderna Bests Pfizer by a Nose

Although the value of comparing the efficacy of two extraordinarily effective vaccines is questionable, a recent study published in the New England Journal of Medicine (NEJM) did exactly that. Researchers from Harvard University and the U.S. Department of Veterans Affairs (VA) found that the Moderna mRNA vaccine was slightly better than the Pfizer-BioNTech vaccine.