KnowraCOVID-19 vaccineLinked fromLinked fromThe 6 pages that link to COVID-19 vaccine, each with the reason it gives.All 6Broader topic 4Related 2COVID-19 pandemicBroader topic: Vaccination became a central tool for preventing severe disease and death.Messenger RNABroader topic: Several widely used COVID-19 vaccines deliver messenger RNA encoding the viral spike protein.mRNA vaccineBroader topic: The first widely used mRNA vaccines were developed against COVID-19.Katalin KarikóBroader topic: The first widely deployed mRNA vaccines used principles established by Karikó and Weissman's research.