World Health Organization: case definitions
A. Patients with acute respiratory illness (i.e., fever and at least one sign/symptom of respiratory disease such as cough or shortness of breath) AND a history of travel to or residence in a location reporting community transmission of COVID-19 during the 14 days prior to symptom onset; OR
B. Patients 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 symptom onset; OR
C. Patients with severe acute respiratory illness (i.e., fever and at least one sign/symptom of respiratory disease such as cough or shortness of breath) AND requiring hospitalisation AND in the absence of an alternative diagnosis that fully explains the clinical presentation.
A. Suspect case for whom testing for the COVID-19 virus is inconclusive (inconclusive being the result of the test reported by the laboratory); OR
B. Suspect case for whom testing could not be performed for any reason.
Patients with laboratory confirmation of COVID-19 infection, irrespective of clinical signs and symptoms.
Definition of contact
A contact is a person who experienced any one of the following exposures during the 2 days before and the 14 days after the onset of symptoms of a probable or confirmed case:
Face-to-face contact with a probable or confirmed case within 1 metre (3 feet) and for more than 15 minutes
Direct physical contact with a probable or confirmed case
Direct care for a patient with probable or confirmed COVID-19 disease without using proper personal protective equipment
Other situations as indicated by local risk assessments.
Note: for confirmed asymptomatic cases, the period of contact is measured as the 2 days before through the 14 days after the date on which the sample was taken that led to confirmation.
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