AstraZeneca resuming US testing of COVID-19 vaccine

AstraZeneca is resuming late-stage testing of its COVID-19 vaccine candidate in the U.S.  The British drugmaker said the Food and Drug Administration gave the company the go-ahead on Friday. Testing of the vaccine was halted worldwide last month because of a British study volunteer’s illness. Studies had resumed earlier outside the U.S. The AstraZenca vaccine, developed with Oxford University, is one of several vaccine candidates for in final-stage testing around the world. It is bein