British Prime Minister Boris Johnson is expected to speak to reporters on Dec. 19, focusing on a new strain of the novel coronavirus. Read more: https://wapo.st/2J5bXVR. 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/