Professor Roger Seheult, MD discusses the Moderna COVID-19 mRNA vaccine: How it works and what we know about the safety, efficacy, and side effects at this time. No mRNA vaccine has ever been approved by the FDA, but Moderna and…

Professor Roger Seheult, MD discusses the Pfizer COVID-19 mRNA vaccine: How it works and what we know about the safety and efficacy at this time. No mRNA vaccine has ever been approved by the FDA, but Pfizer and BioNTech hope…