Kazuhiro Ishikawa*, Nobuyoshi Mori
The coronavirus disease 2019 (COVID-19) has rapidly progressed into a global pandemic within several months. In diagnosis, reverse transcription polymerase chain reaction (RT-PCR) is currently performed. Given the lack of sensitivity and its turnaround time, RT-PCR alone is not necessarily perfect for rapid diagnosis of COVID-19. In this article, we aim to review the typical symptoms, clinical course, manifestations and usefulness of chest CT in comparison with RT-PCR.