Panel 2.

World Health Organization Coronavirus disease-19 (COVID-19) case definitions (as updated March 16, 2020).

Suspect case: A patient with acute respiratory illness [fever and at least one sign/symptom of respiratory disease (e.g., cough, shortness of breath)], AND with no other etiology that fully explains the clinical presentation AND a history of travel to or residence in a country/area or territory reporting local transmission of COVID-19 disease during the 14 days prior to symptom onset. OR A patient with any acute respiratory illness AND having been in contact with a confirmed or probable COVID- 19 case in the last 14 days prior to onset of symptoms. OR A patient with severe acute respiratory infection (fever and at least one sign/symptom of respiratory disease (e.g., cough, shortness breath)) AND requiring hospitalization AND with no other etiology that fully explains the clinical presentation.

Probable case A suspect case for whom testing for COVID-19 is inconclusive (as reported by the laboratory).

Confirmed case A person with laboratory confirmation of COVID-19 infection, irrespective of clinical signs, and symptoms.

Based on World Health Organization case definition (as updated March 16, 2020) (167).