Those tens of millions of doses from AstraZeneca are waiting for trial results, while countries that authorized the vaccine beg to have them.Those tens of millions of doses from AstraZeneca are waiting for trial results, while countries that authorized the vaccine beg to have them.Clinical Trials, Vaccination and Immunization, United States Politics and Government, Coronavirus (2019-nCoV), Shortages, AstraZeneca PLC, Food and Drug Administration, Biden, Joseph R JrRead More