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Yes, at present, all inbound passengers are required to implement a three-code system: 100%( 100% for temperature measurement, 100% for hygiene code, and 100% for wearing masks), place scanning code and bright code. Note: People with red and yellow codes are not allowed to enter the station. For citizens who have lived in high-risk areas for nearly 14 days and have suspected symptoms, try to avoid taking public transportation such as subways and buses.