Persons with acute respiratory illness with sudden onset of at least one of the following: cough, sore throat, shortness of breath or fever [≥ 38°C (measured) or history of fever (subjective)] irrespective of admission status AND In the 14 days prior to onset of symptoms, met at least one of the following epidemiological criteria: Were in close contact1 with a confirmed2 or probable3 case of SARS-CoV-2 infection; OR Had a history of travel to areas with presumed ongoing community transmission of SARS-CoV-2; (Visit WWW.NICD.AC.ZA for an updated case definition). OR Worked in, or attended a health care facility where patients with SARS-CoV-2 infections were being treated. OR Admitted with severe pneumonia of unknown aetiology.