Zhongxin Finance, May 31st, Shanghai Metro official Weibo @Shanghai Metro shmetro news, according to the latest regulations, from 0:00 on June 1st, passengers on the Shanghai Metro must hold a negative nucleic acid certificate within 72 hours.
It should be reminded that a negative nucleic acid certificate within 48 hours must still be held before that.
Similarly, passengers are requested to estimate the round-trip time in advance and leave enough allowance to avoid the expiration of the nucleic acid certificate.
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