Chinanews.com client April 2 (Yang Yuqi) On April 2, Wang Bin, the inspector of the disease control bureau of the National Health and Health Commission, said at a press conference that once asymptomatic infections are found in various types of medical and health institutions Direct online reporting is required within two hours and epidemiological investigations are completed within 24 hours. For asymptomatic infections found, 14 days of intensive medical observations are taken. In principle, the specimens can be released from isolation after two consecutive negative nucleic acid tests.