An observational study showed Moderna is associated with increased effectiveness vs. Pfizer vaccine against symptomatic SARS-CoV-2 infection.

Comparative effectiveness of mRNA-1273 and BNT162b2 against symptomatic SARS-CoV-2 infection – Med

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Opinion | Is Moderna really better than Pfizer—or is it just a higher dose?

CDC Report: Moderna’s vaccine associated with greater effectiveness (93%) against Covid-19 hospitalization compared to Pfizer (88%) and J&J (71%) vaccines.

Commentary on Twitter

New @MedCellPress
Comparative effectiveness of the Pfizer and Moderna vaccines over time, in both the Alpha and Delta US waves, vs symptomatic infections https://t.co/RlWUXeZ2f2
consistent 8-12 % points advantage for Moderna pic.twitter.com/IwHXFIKaEp

— Eric Topol (@EricTopol) December 11, 2021