How to take the subway line 5 in Chengdu in September 14?

Negative nucleic acid certificate within 48 hours. According to the notification requirements of novel coronavirus Epidemic Prevention and Control Headquarters on September 14, passengers should actively keep a social distance above 1 meter when waiting for the bus, wear masks all the time, voluntarily show their health codes, and take Metro Line 5 with negative nucleic acid certificates within 48 hours.