VOA慢速英语:英国首相鲍里斯·约翰逊被送入重症监护室

routine -adj. done or happening as a normal part of a job, situation, or process

deputize -v. to give (someone) the power to do something in place of another person : to make (someone) a deputy — often followed by to + verb

quarantine -v. to keep (a person or animal) away from others to prevent a disease from spreading : to put or keep (a person or animal) in quarantine

regularly -adv. at the same time every day, week, month, etc.