What should I do if the train nucleic acid test exceeds 48 hours?

If the nucleic acid test is more than 48 hours before boarding the train, it needs to be done again.

If there is a difference of a few seconds or minutes, you can consult the staff; If you get on the bus within 48 hours and get off the bus for more than 48 hours, you can usually do it again when you get off the bus.

Whether a nucleic acid test certificate is needed by train depends on the epidemic prevention measures in various regions. In some places, passengers are required to have a nucleic acid test certificate within 48 hours before boarding, but in some places there is no such mandatory requirement. Generally speaking, some areas involving epidemic areas or high-risk areas are required to hold a 48-hour negative nucleic acid test certificate.

Nucleic acid detection requirements

For passengers in epidemic areas, whether they want to take public transport such as trains, high-speed trains, planes, ships, etc., they basically need negative nucleic acid test certificates. Of course, in addition to this certificate, you need to check the passenger's health code, green code and travel itinerary, all of which need to be prepared in advance.

Passengers are advised to know the specific epidemic prevention policies of the departure place and destination before traveling. If you want to know the epidemic prevention policies of various places, you can directly open WeChat, then enter "Tencent Car Assistant" in the search, select the applet or WeChat official account, find the epidemic prevention isolation policy query, enter the departure place or destination, and display the specific epidemic prevention measures of the city and whether nucleic acid test certificate is needed.