Figure Epidemic curve of reported COVID-19 cases by date of symptom onset, or date of notification, WHO European Region, as at 21 February 2020 (nā€‰=ā€‰38)a,b COVID-19: coronavirus disease 2019; WHO: World Health Organization. a Four cases were reported by Germany with unknown date of onset and unknown symptomatology. Belgium and France reported one asymptomatic case each. These cases are displayed according to their date of notification. b The figure does not include nine cases reported in the United Kingdom.