On October 11, Qingdao discovered 3 cases of asymptomatic infection of new coronary pneumonia, immediately organized a large-scale flow investigation and classified testing, and focused close contacts and relevant personnel of the municipal chest hospital as high-risk groups for monitoring.

A total of 377 close contacts and all patients and accompanying persons in the Municipal Chest Hospital were investigated. Among them, 9 newly-added nucleic acid test results were positive, including 8 in-hospital patients and accompanying persons in the Municipal Chest Hospital and 1 patient family member. The expert group determined that 4 of them were confirmed cases and 5 were asymptomatic infections.

Up to now, Qingdao has found a total of 6 confirmed cases, of which 2 were the asymptomatic infections of Jiang XX (female) and Han XX previously announced; 6 cases of asymptomatic infection.

All confirmed cases and asymptomatic infections discovered so far are highly related to the Municipal Chest Hospital.

Editor in charge: [Ji Xiang]