Nation Coronavirus updates: AstraZeneca vaccine trials resume in US; more than 71K daily cases in US, first time since July October 23, 2020Jessica Flores, Adrianna Rodriguez and Grace Hauck, USA TODAYComments Off on Coronavirus updates: AstraZeneca vaccine trials resume in US; more than 71K daily cases in US, first time since July AstraZeneca vaccine trials resume. Massachusetts closes ice rinks. Northern hemisphere at 'critical juncture,' WHO says. Latest COVID news.