Does Zhengzhou need a health certificate to return to Nanyang Expressway?

Nanyang Railway Station and high-speed railway station Railway Station: green health code, green travel code and normal body temperature. Exit: green health code, green travel code, normal body temperature and negative nucleic acid test within 48 hours (limited to passengers from high-risk areas).

Vehicles entering Nanyang: You need to get off the expressway in low-risk areas of the province with negative nucleic acid test certificate, green health code and green travel code within 48 hours, and take your temperature. Zhengzhou also needs to leave Zheng and come to Wan. When you come to Wanxia Expressway in a low-risk area outside the province, you need to take your temperature with a negative nucleic acid test certificate, a green health code and a green travel code within 72 hours.