To Lanzhou, Gansu province

From low-risk areas: a green health code; people engaged in high-risk work must hold a negative nucleic acid test report conducted within 7 days.

From medium-risk areas: a green health code, a negative nucleic acid test report conducted within 72 hours, a 14-day home health monitoring during which a nucleic acid test is required.

From high-risk areas: a 14-day isolated observation during which at least two nucleic acid tests are required.

To Xining, Qinghai province

From low-risk areas: a negative nucleic acid test report conducted within 7 days, and a home health monitoring.

From medium-risk areas: a 14-day home quarantine during which two nucleic acid tests are required.

From high-risk areas: a 14-day isolated observation, followed by a 7-day home quarantine during which three nucleic acid tests are required on the 1st, 14th and 21st day of the whole process.

To Yinchuan, Ningxia Hui autonomous region

For returnees to rural areas outside Ningxia Hui autonomous region, people from the administrative divisions where a medium or high-risk area is located and people who engaged in high-risk work: a negative nucleic acid test report conducted within 7 days, a 14-day home health monitoring during which two nucleic acid tests are required on the 7th and 14th days. Above requirements are implemented from Jan 28 to March 8.