Facemask being used during coronavirus outbreak. Woman wearing a facemask as part of infection control measures during the 2019-20 outbreak of the novel coronavirus (SARS-CoV-2). This coronavirus causes a respiratory infection (COVID-19) that can lead to fatal pneumonia. The outbreak of this disease that began in the central Chinese city of Wuhan has killed thousands, with many tens of thousands infected worldwide as it spreads. Photographed in the UK on 1 March 2020.