The RT-PCR (reverse transcription-polymerase chain reaction)* test, using swabs for the nose or throat, detects if a person actually has the virus. This test will be recommended depending on the result of the individual's antibody or antigen test.   china shenzhen huaree tech Biological, Disposable sterile sampling swab, Disposable Virus Sampling Tube, COVID-19 Rapid Antigen Test Kits,...