Many communities in many places explicitly require you to take the initiative to quarantine after you come back from other places 14 days before you can go out to return to work. In many places, because the epidemic situation is not very serious, there is no such rigid requirement for quarantine after returning by train.

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However, Best Bian Xiao believes that it is safer to isolate 14 days after getting off the train. This will prevent the virus from spreading again. If you accidentally come into contact with someone with the virus on the train and don't isolate them after getting off, the virus will spread more and more, and the infected people will become more and more tired. If you have any discomfort during the isolation period, you can also go to the hospital for treatment in time. Isolation is responsible for yourself and society.