The first case is a 74-year-old man known to have asthma, diabetes mellitus (DM), hypertension (HTN), coronary artery disease (CAD), and dyslipidemia (). He was admitted to a quarantine facility because of an asymptomatic COVID-19 infection identified through screening (RT-PCR). The local guideline at the time warranted two negative PCR swabs before discharge. SARS-CoV-2 was repeatedly positive for 49 days. He showed clinical improvement and was discharged after negative results ().
A healthy 19-year-old man presented with a short history of fever and sore throat. The examination was remarkable for low-grade fever and tachycardia, and laboratory investigations and chest X-ray were unremarkable. He was diagnosed as a case of COVID-19 mild URTI and did not require hospital admission but transited through quarantine. His PCR swab remained positive for 48 days.