3+1 1: 3-day family health monitoring+1/day follow-up health monitoring.
Health management measures of "3+ 1 1" shall be implemented for migrants (returnees) in Nanjing, that is, 3-day home health monitoring+1 1 day follow-up health monitoring, and health monitoring shall be carried out at 1, 2, 3, 4, 5, 6 and 6.
At present, there are 255/kloc-0 projects under construction, municipal administration, transportation, water supply and landscaping in Nanjing, with 392,000 employees, and all of them have completed two rounds of nucleic acid detection.
At the same time, according to different risk levels in the project area, several rounds of testing were organized on the construction site, and 650,000 nucleic acid tests were completed. So far, no positive report has been received.