Starting at noon on the 12th, in a day or so, more than 14 million people in Tianjin have basically completed the second round of nucleic acid testing.

In a city with a population of 10 million, what is the story behind the efficient detection?

　　Headquarters reporter Yang Yu: The time is now 9:30 pm. My location is a nucleic acid testing sampling point in Heping District, Tianjin.

　　On the evening of January 12, the nucleic acid testing and sampling of No. 61 Middle School in Xiaobailou Street, Heping District, Tianjin was brightly lit.

Cui Huiran is a resident of Tai'an Road Community, Xiaobailou Street. After dinner, he came for nucleic acid sampling.

　　Cui Huiran, a resident of Tai'an Road Community, Xiaobailou Street, Heping District, Tianjin: The scene was relatively orderly, and I didn't queue up much, so I came right after get off work and dinner.

The medical staff worked very hard, and there were many volunteers and community members at the scene. We were very moved to see them.

　　Medical staff have their own experience on how to quickly, accurately and efficiently complete a nucleic acid sample collection.

　　Lü Erzheng, a medical staff member at the Xiaobailou Street Community Health Service Center in Heping District, Tianjin: The sampling of a resident can be completed in about 10 seconds, and he uses precise language to guide them to cooperate with us in the correct posture to ensure the rapid completion of this large screening.

　　In this round of nucleic acid testing for all staff, Tianjin adopted a 10:1 mixed testing method.

Cui Huiran's nucleic acid samples and samples from 10 residents in her group were placed in the same collection tube.

　　The 20 collection tubes were again placed in a closed tank, and a set of 2 tanks was placed in a transfer box.

The next step is to transfer the samples.

　　Headquarters reporter Yang Yu: It's 9:40 pm. We are wearing protective clothing, and we are fully armed with the transporter to board the transporter.

　　Xiao Gong and Xiao Deng are the comprehensive law enforcement team members of Xiaobailou Street, Heping District, Tianjin. They are also the first contact with the task of transport.

Fortunately, the previous drill of nucleic acid testing for all staff in Tianjin gave them some confidence in their hearts.

　　Deng Jia, nucleic acid sample transfer officer: In August last year, our street organized a large-scale screening exercise. We will have advanced drills for the training of related skills and the requirements for related tasks.

　　Headquarters reporter Yang Yu: It is now 10:05 in the evening, and we have arrived at the nucleic acid testing base in Heping District, Tianjin.

In this second screening, all nucleic acid samples from Heping District, Tianjin will be tested here.

　　At this testing base, a team of more than 80 people in three shifts is responsible for nucleic acid testing of more than 188,000 people in the Heping District.

　　Chen Dongsheng, head of the nucleic acid testing base in Heping District, Tianjin: All staff and auxiliary personnel must complete the tasks assigned by the city and district.

The staff reduced their rest time to strive to complete the task of the second sieve.