Many parts of the country advocate "celebrating the New Year on the spot", but there are also tourism-related policies. One of the essential conditions is that travelers carry nucleic acid test results within 48 hours. The Work Plan for COVID-19 Epidemic Prevention and Control during the Spring Festival of New Year's Day in 2022 issued by the State Council also pointed out that universities or enterprises with more migrant workers may require students or migrant workers to return to school or work within 48 hours with negative proof of nucleic acid test.
Negative reports of nucleic acid detection often show two times: one is the sampling time and the other is the reporting time. Different regions have different definitions of "48 hours", so it is recommended to know from the local disease control department in advance.