Roger Seheult, MD of MedCram explains COVID 19 booster data on Moderna, Pfizer-BioNTech, and Johnson & Johnson and the efficacy of each coronavirus booster vs. full vaccination. Roger Seheult, MD is the co-founder and lead professor at He is Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep …
Read More »Which COVID Vaccine Booster is Best? Pfizer vs. Moderna vs. J. Johnson (Update 133)
