Figure 8 : COVID-19 China (red lines), Italy (blue lines), the UK (green lines) and South Korea (black lines).

Daily increments of the observed cases, averaged over a 3-day interval (i.e. the derivative of the observed curve; each day, centred 3-day running mean averages are shown)

Roberto Buizza Journal of Medical Statistics and Informatics  2020 8:4DOI : 10.7243/2053-7662-8-4