Catching the First Wave in the Pandemic: A Retrospective Evaluation of Chest CT Images for COVID-19

Pandemics generally begin in small areas and subsequently spread widely.In order to detect an outbreak in its early stage, observation of the data for small regions is important.The aim of this study to investigate the presence of COVID-19-like pneumonia findings in computed tomography (CT) taken before the COVID-19 pandemic in Turkey.The chest CTs performed in our hospital between December 1, 2019 and March 10, 2020 (study group) and those...