Tag: COVID-19 variants


mRNA vaccines like Pfizer and Moderna fare better against COVID-19 variants of concern

May 17, 2022

Via: ScienceDaily

A comparison of four COVID-19 vaccinations shows that messenger RNA (mRNA) vaccines — Pfizer-BioNTech and Moderna — perform better against the World Health Organization’s variants of concern (VOCs) than viral vector vaccines — AstraZeneca and J&J/Janssen. Although they all effectively […]