you're watching coronavirus explained, a bbc news special with me lucy hockings. the outbreak began in december, in the central city of wuhan, home to more than 11 million people. all the shops are closed. there's pretty much nobody on the street here. the infection is a new type of coronavirus. put on a mask, even if you are not ill because others may be. the world health organization declares a global health emergency as china's coronavirus... this metro network is pretty much empty. but now, the new coronavirus has claimed its first victim outside asia. this is the exclusion zone now, the centre of the outbreak. covid—19 is a new virus to which no one has immunity. we'll be asking three key questions, what is it? what can you do? and what happens next? our experts are here to help you navigate the complexities of coronavirus, to share their advice, and to answer your questions. we'll also be asking how contagious is it, and how worried should we be? the spread of misinformation and hysteria is a daily battle too — who should we trust? and the impact on travel,