What are the three syndromes of nucleic acid sampling?

Inspection and quarantine certificate, nucleic acid detection certificate and disinfection certificate. The so-called "three certificates" of nucleic acid sampling refer to inspection and quarantine certificate, nucleic acid detection certificate and disinfection certificate. The quarantine certificate is a document issued by the import and export commodity inspection and quarantine institution to prove the inspection and quarantine results after the inspection and quarantine of import and export commodities.