by Johns Hopkins University via https://github.com/pomber/covid19 based on https://github.com/CSSEGISandData/COVID-19
by European Centre for Disease Prevention and Control via https://opendata.ecdc.europa.eu/covid19/casedistribution/json
by Johns Hopkins University via https://github.com/pomber/covid19 based on https://github.com/CSSEGISandData/COVID-19
by European Centre for Disease Prevention and Control via https://opendata.ecdc.europa.eu/covid19/casedistribution/json