Boris Johnson, Prime Mininister of the United Kingdom, today tested positive for Covid-19, the novel coronavirus that's so far infected 500,000 people and killed 25,000 of them.
In a tweet, Mr Johnson said: "Over the last 24 hours I have developed mild symptoms and tested positive for coronavirus. I am now self-isolating, but I will continue to lead the government's response via video-conference as we fight this virus.
"Together we will beat this."