Nanjing to Wuxi to do nucleic acid health code can be displayed by query. Each province has its own health regulations. The home page of health code generally only shows the results of nucleic acid detection in this province. If the nucleic acid test is done elsewhere, it will not be displayed directly on the home page, but it can be found.
Health codes are based on actual data and can be generated by citizens or people who have returned to work through online declaration and background audit.