Study design
The study included patients who presented to the emergency department of Atatürk University with complaints such as recent onset fever, cough, dyspnea, malaise, and sudden loss of taste and smell, and history of international travel or contact with a suspected COVID-19 patient in the last 14 days. Patients (or their relatives) were informed in detail about the aim of the study and all participants provided informed consent forms before being included. Approval was obtained from the local ethics committee prior to study initiation.