Clinical Course of Patients with a Positive Test Result for SARS-CoV-2： Presence or Absence of Pneumonia and the Time until a Negative Result of PCR in 6 Cases

On April 5, 2020, guidelines for COVID-19 were issued that allowed asymptomatic carriers and mildly ill persons to remain at home However, due to the unexpected increase in the number of symptomatic patients, many patients are now hospitalized We accepted COVID-19 patients from the cruise ship, Diamond Princess We focused on 6 cases with mild symptoms and evaluated the results of chest computed tomography (CT) and blood tests, the clinical course, the period until two consecutive negative test results of RT-PCR, and the length of hospitalization in these patients