PREPAREDNESS, PREVENTION AND CONTROL OF COVID-19 IN PRISONS AND OTHER PLACES OF DETENTION 11. IMPORTANT DEFINITIONS: SUSPECT CASE, PROBABLE CASE, CONFIRMED CASE, CONTACT, CASE REPORTING WHO guidance for global surveillance of COVID-19 disease should be consulted for updated definitions. The WHO case definitions given below are based on information available as of 27 February 2020 and are being revised as new information accumulates.34 Countries may need to adapt these case definitions depending on their own epidemiological situation. 34 Global surveillance for human infection with coronavirus disease (COVID-19): interim guidance (27 February 2020). Geneva: World Health Organization; 2020 (https://www.who.int/publications-detail/global-surveillance-for-human-infection-with-novel-coronavirus-(2019-ncov)).