id author title date pages extension mime words sentences flesch summary cache txt cord-302310-16myb2n5 Steffens, Ines A hundred days into the coronavirus disease (COVID-19) pandemic 2020-04-09 .txt text/plain 1843 98 50 International organisations such as the European Centre for Disease Prevention and Control have used novel technologies and open access resources as well as official reporting data to trace the evolution of the COVID-19 pandemic. A number of studies in various settings determined the basic reproductive number R 0 to be within the range of 2-3 [9, 10] ; the incubation period was determined as ranging from 1 to 14 days with an average of 5-6 days; transmission through droplets was established as the main mode of transmission; the clinical picture that emerged included a wide range from mild symptoms with fever, sore throat and cough to severe pneumonias with characteristic features on computed tomography scans; in Hubei, China, up to 13.8% of laboratory-confirmed patients had severe disease, 6.1% were critically ill and the case fatality rate among all COVID-19 cases was 2.3% [11] . The WHO declared COVID-19 a Public Health Emergency of International Concern (PHEIC) on 30 January and a pandemic on 11 March [18, 19] . First cases of coronavirus disease 2019 (COVID-19) in France: surveillance, investigations and control measures ./cache/cord-302310-16myb2n5.txt ./txt/cord-302310-16myb2n5.txt