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65 years ago, Jonas Salk, team at Pitt get polio vaccine approved

PITTSBURGH — It’s been 65 years since a medical breakthrough saved the lives of millions of people.

On April 12, 1955, the polio vaccine created by Jonas Salk and his team at the University of Pittsburgh was declared safe and effective.

Thanks to the vaccine, the U.S. has been declared polio-free since the late 1970s.