What is RNA? How do mRNA vaccines work, and how effective are they? What does this mean for the COVID-19 pandemic? In a short video by the Yale School of Medicine, Onyema Ogbuagus, an infectious diseases specialist and the principal investigator of Yale's COVID-19 vaccine studies, explains the science behind the vaccine with his colleagues Saad Omer and Akiko Iwasaki. 

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From big questions, such as when having a vaccine will start to quell the pandemic, to smaller ones, such as the logistics around scheduling your individual dose, Onyema Ogbuagu provides answers. Read the full question-and-answer on the Yale Medicine website here.