Tian, the defendant, returned to Chengwus home from Hubei Province on January 9, 2020. On January 20, he developed fever, dry cough and other symptoms, and then went to the village health office, Datian town hospital and Chengwu County Peoples Hospital for treatment. During this period, he deliberately concealed his contact history in Wuchang and Hankou. Novel coronavirus pneumonia was suspected novel coronavirus in January 25th. When the medical staff transferred the infection ward to the ward of infectious disease, they were not eligible to be discharged. In January 26th, a confirmed case of pneumonia was diagnosed as new coronavirus infection. 37 people, such as medical staff and ward patients, were quarantined, which seriously affected the prevention of the epidemic by medical institutions. In a certain extent, it caused panic. On February 8, Chengwu County Public Security Bureau filed a case for investigation on suspicion of a crime. February 26 the peoples Procuratorate of Chengwu County initiated a public prosecution to the peoples Court of Chengwu County according to law.