New Study: Moderna VS. Pfizer Vs. Novavax vs. Johnson & Johnson vs. COVID Infection


Roger Seheult, MD of MedCram explains a study comparing Moderna, Pfizer, Janssen, and Novovax vaccines vs. natural infection efficacy after 6 months.

(This video was recorded on June 2, 2022)

See all Dr. Seheult’s videos at:

Roger Seheult, MD is the co-founder and lead professor at He is Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine and an Associate Professor at the University of California, Riverside School of Medicine.


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