Shanghai 12345 How long can the health code be followed up?

24 hours. After the complaint of Shanghai 12345 health code is submitted successfully, the staff will verify the information manually, and it will generally be handled within 24 hours. After the complaint is submitted successfully, the staff will manually verify the information, which will generally be processed within 24 hours. Where the administrative department of health and other relevant departments, disease prevention and control institutions and medical institutions illegally implement administrative management or prevention and control measures and infringe upon the legitimate rights and interests of units and individuals, the relevant units and individuals may apply for administrative reconsideration or bring a lawsuit according to law.