7 Numbers by Yunqi Zheng 2020-01-30 Tuesdayhttps://www.nytimes.com/2020/01/28/world/asia/china-coronavirus.htmlWednesday https://en.wikipedia.org/wiki/Incubation_periodThursdayhttps://en.wikipedia.org/wiki/Novel_coronavirus_(2019-nCoV)Friday https://edition.cnn.com/asia/live-news/coronavirus-outbreak-01-30-20-intl-hnk/h_56d7dec110b086215239574b8087869eSaturday https://www.medrxiv.org/content/10.1101/2020.01.23.20018549v2Sundayhttps://www.worldometers.info/coronavirus/coronavirus-death-toll/Monday https://www.worldometers.info/coronavirus/coronavirus-death-toll/