On August 25, 2022, Yiwu Station reminded passengers that they need to check the green code of health code and the negative certificate of nucleic acid test for three days within 72 hours.
Nucleic acid detection is the detection of pathogen nucleic acids in various body fluid samples or tissue samples by molecular biological techniques (such as real-time fluorescence polymerase chain reaction, isothermal amplification, in situ hybridization, sequencing, etc.). ) to determine whether pathogen infection occurs.