How Do Vaccines Work?

With a little scientific trickery, the same pathogen that causes a disease can end up protecting us against it
“A vaccine is composed of a weakened version of a true infection, say a virus or bacteria, or some part of that virus or bacteria that can stimulate your immune system,” said Jonathan A. Runstadler, a professor of immunogenetics at Cummings School.
February 25, 2020

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Learn more from Tufts experts—everything from why we forget and why kids like animals to how fat affects us and what the best way to wash your hands is.