Support WBURFirst U.S. Patients Treated With CRISPR As Human Gene-Editing Trials Get UnderwayPlay03:12Download AudioRob SteinApril 16, 2019 ShareCRISPR gene-editing technology allows scientists to make highly precise modifications to DNA. The technology is now starting to be used in human trials to treat several diseases in the U.S. (Getty Images/Science Photo Library)
