People wearing masks walk past the Apple flagship which is closed to customers due to the coronavirus outbreak in London, Britain on March 16, 2020. As of Monday morning, the number of confirmed COVID-19 cases in Britain reached 1,543, an increase of 171 over the last 24 hours, according to the latest figures released by the Department of Health and Social Care. (Photo by Ray Tang/Xinhua)

Photo taken on March 16, 2020 shows the Apple flagship is closed to customers due to the coronavirus outbreak in London, Britain on March 16, 2020. As of Monday morning, the number of confirmed COVID-19 cases in Britain reached 1,543, an increase of 171 over the last 24 hours, according to the latest figures released by the Department of Health and Social Care. (Photo by Ray Tang/Xinhua)

Photo taken on March 16, 2020 shows the Niketown flagship which is closed to customers due to the coronavirus outbreak in London, Britain. As of Monday morning, the number of confirmed COVID-19 cases in Britain reached 1,543, an increase of 171 over the last 24 hours, according to the latest figures released by the Department of Health and Social Care. (Photo by Ray Tang/Xinhua)