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Total confirmed COVID-19 cases, by source, World

Confirmed COVID-19 cases are compared for the three main data sources:
– Johns Hopkins University;
– World Health Organization (WHO) Situation Reports;
– European Centre for Disease Prevention and Control (ECDC)

Jan 22, 2020Mar 17, 2020Jan 31, 2020Feb 10, 2020Feb 20, 2020Mar 1, 2020WHOECDCJohns Hopkins

Source: Johns Hopkins (2020); WHO COVID-2019 Situation Reports; ECDC (2020)

Note: The number of confirmed cases is lower than the number of total cases. The main reason for this is limited testing.

Jan 22, 2020
Mar 17, 2020