COVID-19 in 2 Persons with Mild Upper Respiratory Tract Symptoms on a Cruise Ship, Japan

Abstract

We describe 2 cases of coronavirus disease in patients with mild upper respiratory symptoms. Both patients worked on a cruise ship quarantined off the coast of Japan. One patient had persistent, low-grade upper respiratory tract symptoms without fever. The other patient had rapid symptom cessation but persistent viral RNA detection.

Keywords

• coronavirus
• COVID-19
• severe acute respiratory syndrome coronavirus 2
• SARS-CoV-2
• respiratory infections
• PCR