우한대 중난병원 의료진이 초기 138명 환자의 임상적 특성을 분석한 논문에 따르면 환자의 41%가 병원 감염으로 파악됐다.
According to a paper that analyzed the clinical characteristics of the initial 138 patients by the medical staff at Zhongnan Hospital of Wuhan University, 41% of the patients were identified as hospital infections.