Does the Pfizer Vaccine Stop Transmission?

Roger Seheult, MD of MedCram discusses how and when the transmission prevention capability of vaccines were tested during the COVID-19 pandemic. See all Dr. Seheult’s videos at: (This video was recorded on October 16, 2022) 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. LINKS / REFERENCES: Effect of Covid-19 Vaccination on Transmission of Alpha and Delta Variants (NEJM) | #article_references Effect of Vaccination on Household Transmission of SARS-CoV-2 in England (NEJM) | Impact of BNT162b2 Vaccination and Isolation on SARS-CoV-2 Transmission in Israeli Households: An Observational Study (American Journal of Epidemiology)