Fig. 2: COVID-19 pandemic in different countries.

Cumulative numbers of cases (a) and deaths (b) in China, European, and the United States. Distributions of the cases (c). The inset in panel a reports the new cases in Italy as to 10 May, showing a drastic reduction on morbidity. Source Worldmeter (www.worldmeters.info) and Protezione Civile (http://www.protezionecivile.gov.it/attivita-rischi/rischio-sanitario/emergenze/coronavirus). Distribution of laboratory confirmed cases of COVID-19 in the Italy, China, and the USA, as of 10 May 2020.