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How quickly can a COVID-19 vaccine be achieved, and how would it work?

WRVO logoA physician scientist who specializes in infectious disease and vaccine development explains the process of creating a COVID-19 vaccine -- and how that process is being safely accelerated during the coronavirus pandemic. Stephen Thomas, MD, also addresses the concept of herd immunity and goes over the different types of vaccines and how they work. Thomas is a professor of microbiology and immunology at Upstate and a professor of medicine who leads the department of infectious disease.