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Paul Offit, defender of vaccine safety, in his office at Abramson Research Center at CHOP.  (April Saul/Inquirer) HS1OFFIT15P4 105268 4 of 4

Paul A. Offit is a professor of pediatrics and director of the Vaccine Education Center at the Children’s Hospital of Philadelphia. He is the author of Pandora’s Lab: Seven Stories of Science Gone Wrong (National Geographic Press, April 2017).