News Coronavirus updates: Former FDA head says to use all vaccine doses right away; more than a quarter of US cases reported since 11/16 December 7, 2020December 7, 2020 Jessica Flores, Ryan W. Miller and Jorge L. Ortiz, USA TODAY Comments Off on Coronavirus updates: Former FDA head says to use all vaccine doses right away; more than a quarter of US cases reported since 11/16 Most U.S. cases have been reported since Oct. 4, analysis finds. U.K. hospitals will receive first batch of the vaccine. Latest COVID news.