Covid 19 Charts showing Confirmed cases are those with a ‘lab confirmed infection’.
This means that the counts of confirmed cases depend on how much a country actually tests.
To interpret any data on confirmed cases we need to know how much testing for COVID-19 the country actually does.
Confirmed cases and deaths: This Data comes from the European Centre for Disease Prevention and Control (ECDC).
Testing for COVID 19: This data is collected by the Our World in Data team from official reports.