Generally, nucleic acid testing can only be done 48 hours after vaccination with the Neocoronavirus vaccine. The inactivated Neocoronavirus vaccine is a vaccine made from the pathogen of Neocoronavirus, after taking an inactivation treatment. Although the virus has lost its infectivity and pathogenicity, the vaccine contains the nucleic acid sequence of the Neocoronavirus pathogen. Nasopharyngeal swabs or oropharyngeal swabs tested for nucleic acid after the patient has been vaccinated with the neocoronavirus vaccine may produce false-positive results. This is because the vaccine may be affixed to the surfaces of the vaccination site, healthcare workers, patients, and other objects by aerosols or liquids when healthcare workers perform syringe venting and vaccine aspiration operations during the patient’s vaccination. As a result, there may be nucleic acid fragments of the pathogen in the nasal or throat mucosa of the vaccinated person, and because of the extremely high sensitivity of the polymerase chain reaction assay, a false-positive nucleic acid result may be obtained when the vaccinated person undergoes a nucleic acid assay after vaccination.