Sky News ran an interview with a woman in London diagnosed with Covid-19: https://news.sky.com/story/coronavirus-london-woman-who-caught-coronavirus-in-italy-de

Sky News ran an interview with a woman in London diagnosed with Covid-19: https://news.sky.com/story/coronavirus-london-woman-who-caught-coronavirus-in-italy-describes-covid-19-11956362 https://news.sky.com/story/coronavirus-london-woman-who-caug... It doesn't seem like something that can really be spotted based on the symptoms, which is probably why it's so hard to contain.