However, the high transmissibility of the Delta variant has meant that the number of cases have risen rapidly and spread far. Most cases have been linked to Nanjing and Lukou airport staff who cleaned an incoming plane from Russia, as well as domestic planes. A cluster of infections among tourists who went to a concert in Zhangjiajie, Hunan, travelling through Lukou has also spread to multiple provinces.

“Zhangjiajie has now become the new ground zero for China’s epidemic spread,” Zhong said this week.


https://www.theguardian.com/world/2021/aug/04/china-shuts-down-transport-routes-as-it-battles-worst-covid-outbreak-in-months

Round and round we go ... where we stop nobody knows