According to the consulting data of 1., as of September, 2022 12, there were no COVID-19 cases in Nanchang for four consecutive days.

2. As of September, 2022, 12, Shanghai * * * has three high-risk areas and 10 medium-risk areas. Therefore, returning to Nanchang requires isolation.

3. Nanchang County belongs to Nanchang City, Jiangxi Province. It is located in the north-central part of Jiangxi Province, on the shore of Poyang Lake, and is surrounded by the provincial capital Nanchang on three sides. Therefore, it takes 10 days for New Zealand to return to Shanghai.