BACKGROUND: Coronavirus disease-19 (COVID-19) resulted in widespread concern in global public health and has a bad prognosis despite drug therapy . CASE REPORT: The patient was an 11-year-old girl referred to a children hospital with a dry cough, fever, and headache symptoms, without comorbidity . She was hospitalized following the results of high-resolution computed tomography (HRCT). The patient was treated with ceftriaxone 1 g every 12 h and the oseltamivir capsule 45 mg every 12 h and azithromycin 250 mg tablet once daily and 200 mg hydroxychloroquine tablet every 12 h for a total of 5 days . After 5 days, the patient had suitable chest status and then was discharged . Azithromycin for 5 days and hydroxychloroquine for 10 days were prescribed for the patient to take at home . The patient ’ s polymerase chain reaction (PCR) was negative at baseline through the nasopharyngeal swap, but HRCT of the patient ’ s was completely consistent with COVID-19 accompanied by consolidation and ground-glass opacity in the left lower and right upper lobes .
CONCLUSION: The numerous technical errors in taking the nasopharyngeal swap were the main reasons for the negative PCR . The main lesson from this case report is the high sensitivity and specificity of HRCT compared to the PCR.