Returnees from low-risk areas (mainly including those who return to rural and pastoral areas in Hohhot across provinces;

Employees engaged in imported cold-chain food in the autonomous region, employees who directly contact imported goods at ports, employees who deal in goods in high-risk areas, employees in isolated places, employees in express delivery companies, transportation vehicles and logistics enterprises and other key groups) must hold negative results of COVID-19 nucleic acid test within 7 days, and conduct home health monitoring for 14 days.