NPR's Noel King talks to Paul Offit of the Vaccine Education Center at Children's Hospital of Philadelphia, about the coronavirus vaccine trial developed by AstraZeneca and the University of Oxford.
Copyright 2020 NPR
NPR's Noel King talks to Paul Offit of the Vaccine Education Center at Children's Hospital of Philadelphia, about the coronavirus vaccine trial developed by AstraZeneca and the University of Oxford.
Copyright 2020 NPR