Yes, an asymptomatic infected person from Nanjing had stayed in Chongqing, has been screened to 128 related people.

According to @ChongqingRelease microblogging news, on July 25, Nanjing notified a case of asymptomatic infected person (No. 20), whose activity track showed that he stayed in Yu from July 13-17th. Relevant departments at the municipal and district levels in Chongqing acted quickly to investigate the relevant people and places involved.

As of 24:00 on July 26, a total of 128 people have been screened, all of whom have been placed under health observation, and the results of the new coronavirus nucleic acid test are all negative; a total of 287 environmental specimens have been collected, and the results of the new coronavirus nucleic acid test are all negative.

Nanjing native confirmed cases reached 106:

July 27 morning, Nanjing held the seventh new crown pneumonia epidemic prevention and control press conference, informed the latest situation of epidemic prevention and control. According to the briefing, the virus strain that caused the outbreak is the Delta strain.

At the conference, it was informed that from 0 to 24 hours on July 26, 2021, there were 31 new confirmed cases of indigenous C.N.C. pneumonia in Nanjing, of which 7 asymptomatic infected cases were converted to confirmed cases, and the number of newly reported cases is still mainly concentrated in the key control areas, and the relevant close contacts and subclasses have been screened and managed in accordance with the relevant regulations.

As of 24:00 on July 26, the city had reported a total of 106 local confirmed cases, of which 66 were light-type, 38 were general-type, 2 were heavy-type, and there were 6 local asymptomatic infected cases. Of the 112 infected cases, 99 were in Jiangning, 6 in Lishui, 2 in Gaochun, and 1 in each of the Xuanwu, Qinhuai, Jianye, Gulou, and Qixia districts.

Reference to the above Jiepian News-Chongqing: An asymptomatic infected person from Nanjing had stayed in Chongqing, and 128 people have been screened for related people