inclusion_criteria: AND
type: symptom
name: Fever
description: Sudden onset fever, even if self-reported
type: criterion
logical_operator: OR
values: type: symptom
name: Cough
type: symptom
name: Sore throat
type: criterion
logical_operator: AT_LEAST
logical_operator_arguments: 1
values: type: symptom
name: Headache
type: symptom
name: Myalgia
type: symptom
name: Arthralgia