AstraZeneca March 22, 2021 9:10 am AstraZeneca Says COVID-19 Vaccine is Safe and Effective AstraZeneca says its coronavirus vaccine developed with the University of Oxford was found to be safe and effective in trials conducted in the U.S., Peru and Chile. Local 0:49 2024 NHL Draft lottery results 0:40 Watch: Police dog tracks and finds missing 85-year-old woman in Colorado 1:19 Met Gala 2024 after party looks: Cardi B, Lana Del Rey, EmRata 6:22 Craig Melvin compares ‘TODAY' crew to NASCAR 1:02 Judge indefinitely delays Trump's classified documents criminal trial