AdvertisementBoris Johnson Tests Positive For Coronavirus, Is Self-IsolatingMarch 27, 2020Bill ChappellfacebookEmailPrime Minister Boris Johnson says he will self-isolate and continue to work in 10 Downing Street in London, announcing his positive test for the coronavirus. He's seen here Thursday night, joining in the U.K.'s national applause for health service workers who are helping to fight the coronavirus. (PA Images via Getty Images)