China News Service, June 8 (Xinhua) According to the official website of the Wuhan Municipal Health Commission, Wuhan has extracted sputum and pharyngeal swabs from 300 asymptomatic infections found in the concentrated nucleic acid test from May 14 to June 1. The samples were isolated and cultured by the Wuhan Institute of Virology, Chinese Academy of Sciences, and no "live virus" was cultivated in 300 samples.
Experts believe that the virus is not cultured in the sputum and throat swab samples of asymptomatic patients, indicating that the virus content in the sample is extremely low, or that there is no pathogenic "live virus."
At the same time, wipe samples of toothbrushes, mouth cups, masks, towels and other personal products used by 300 asymptomatic infected persons were collected, and the test results were all negative; the nucleic acid test results of 1174 of 300 close contacts of asymptomatic infected persons were negative , Indicating that the asymptomatic infections currently found in Wuhan City are not infectious. (Finish)