British Prime Minister Boris Johnson has tested positive for coronavirus and is self isolating but will still lead the government’s response to the outbreak. A Downing Street spokesman said Johnson, 55, experienced mild symptoms on Thursday – a day after he answered at the prime minister’s weekly question-and-answer session in the chamber of the House of Commons. Johnson is self-isolating, but says he’ll will continue to lead the government’s response via video-conference as we fight this virus.