Investigation of new confirmed cases in Tianjin (source: video synthesis)
The reporter just learned from the Tianjin CDC that after the high-throughput sequencing and sequence analysis of the whole genome of the new coronavirus from the respiratory tract samples of the 137th confirmed case in Tianjin by the CDC, the Chinese CDC rechecked and confirmed that the virus sequence of the relevant cases in the new market in Beijing was exactly the same, belonging to the l-genotype European family branch I.
Mystery of new cases in Tianjin: no association with new places of origin is found, experts say it is rare
On June 19, Zhang Ying, deputy director of Tianjin CDC, introduced to Zhongqing daily, zhongqing.com, we havent found the source of infection yet. This kind of confirmed patient without epidemiological history is very rare in the whole country. The man had been in Tianjin 14 days before the onset of the disease and had no history of going out, suspected cases or contact with confirmed cases.
No contact history with Beijing
Bai Yansong: Chef of a hotel in Tianjin, has been confirmed as a new case in Tianjin. But its strange that the people around him are all negative, and he has no contact or interaction with people in Beijing or abroad.