As President Trump pushes for a coronavirus vaccine before the November election, one major vaccine trial has been halted after a participant developed symptoms of a “potentially unexplained illness.” Read more: https://wapo.st/2Rd2b48. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/