Answer:
Suspected case of SARS-CoV-2 infection (three options, A through C):
A. A person who meets the clinical AND epidemiological criteria:
Clinical criteria:
Acute onset of fever AND cough; or
Acute onset of ANY THREE OR MORE of the following signs or symptoms: fever, cough, general weakness/fatigue,1 headache, myalgia, sore throat, coryza, dyspnoea, anorexia/nausea/vomiting, diarrhea, altered mental status.
AND
Epidemiological criteria:
Residing or working in a setting with high risk of transmission of the virus: for example, closed residential settings and humanitarian settings, such as camp and camp-like settings for displaced persons, any time within the 14 days before symptom onset; or
Residing in or travel to an area with community transmission anytime within the 14 days before symptom onset; or
Working in health setting, including within health facilities and within households, anytime within the 14 days before symptom onset.
B. A patient with severe acute respiratory illness (SARI: acute respiratory infection with history of fever or measured fever of ≥ 38 C°; and cough; with onset within the last 10 days; and who requires hospitalization).
C. An asymptomatic person not meeting epidemiologic criteria with a positive SARS-CoV-2 antigen-detecting rapid diagnostic test (Ag-RDT).2
Probable case of SARS-CoV-2 infection (four options, A through D):
A patient who meets clinical criteria above AND is a contact of a probable or confirmed case or is linked to a COVID-19 cluster.3
A suspected case (described above) with chest imaging showing findings suggestive of COVID-19 disease.4
A person with recent onset of anosmia (loss of smell) or ageusia (loss of taste) in the absence of any other identified cause.
Death, not otherwise explained, in an adult with respiratory distress preceding death AND who was a contact of a probable or confirmed case or linked to a COVID-19 cluster 3.
Confirmed case of SARS-CoV-2 infection (three options, A through C):
A person with a positive Nucleic Acid Amplification Test (NAAT)
A person with a positive SARS-CoV-2 Ag-RDT AND meeting either the probable case definition or suspected criteria A OR B
An asymptomatic person with a positive SARS-CoV-2 Ag-RDT AND who is a contact of a probable or confirmed case.
