More than 25 000 people across the globe have accessed real-time knowledge from WHO experts on how to detect, prevent, respond to and control the new coronavirus in the 10 days since the launch of an open online training.The learning team of the WHO Health Emergencies Programme worked with technical experts to quickly develop and publish the online course on 26 January – 4 days before the 2019-nCoV outbreak was declared a public health emergency of international concern.Approximately 3000 new