Why did Shijiazhuang give a pop-up window 3?

The reason why the pop-up window 3 is given in Shijiazhuang area is that there are medium and high risk areas in Shijiazhuang. Pop-up window 3 of Beijing Health News gives the range of health code status of people or related personnel who have been to high-incidence areas, but there are high-incidence areas in Shijiazhuang, so pop-up window 3 is given to all Shijiazhuang areas of Beijing Health News.