Is it necessary to isolate Dafang from Zhaotong?

No need. According to relevant information, as of June 25, 2022, Dafang County, Bijie City, Guizhou Province belongs to a low-risk area. Anyone who comes (returns) to Zhaotong must declare 48 hours in advance and hold the green code of health code and the negative certificate of 48-hour nucleic acid test. If the low-risk area needs to be tested twice in 3 days, isolation is not needed. Zhaotong is a prefecture-level city under the jurisdiction of Yunnan Province.