This article provides a general overview and documents the status of locations affected by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus which causes coronavirus disease 2019 (COVID-19) and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan, the capital of the province of Hubei in China in December 2019. The figures presented on this page are based on reported cases and deaths. While in several high-income countries the ratio of total estimated cases and deaths to reported cases and deaths is low and close to 1, for some countries it may be more than 10 or even more than 100. Implementation of COVID-19 surveillance methods varies widely.