According to the official information of the Education, Culture and Health Bureau of Chengdu High-tech Zone on August 4, as of 7 a.m.on August 4, 375,100in total-246,700 should-be-testedpeople in the "three areas" of Chengdu High-tech Zone (enclosed areas, sealed control areas and areas around the risk area), 125,000 willing-to-be-tested outside the "three areas" and 3,408 of key enterprisesturned to be negativein nucleic acid tests.

In order to do a good job inthe should-be-testedin the closed area, sealed control area and risk area, Chengdu High-tech Zone should carry out nucleic acid testing at least four times in the1st, 4th,7th and 14th days in the closed area. Nucleic acid tests should be carried out at least 3times on day 1, day 7 and day14 in the containment area.Nucleic acid tests should be conducted at least twice on the 1st and 7th days in the areas around the risk zone.

Chengdu Hi-tech Zone launched the seventh day of large-scale nucleic acid testing in the "three zones" (closed, controlled and risk zones) at 6 p.m.on August 3. A total of 31 centralized nucleic acid sampling sites and 217 sampling groups were set up, and more than 1,000 personnel were organized to take samples.By 7 p.m.on August 4, a total of 123,700 tests had been completed, all negative.

At the same time, Chengdu High-tech Zone added7 temporary sampling points to the society on the basis of the existing 33 regular sampling points.From July 28 to 24:00 on August 3, nucleic acid tests were carried out for 125,000 people at 40 sampling sites, all of which were negative.

Source：Education, Culture and Health Bureau of Chengdu High-tech Zone