Corendon Book your Covid Test COVID-19 Rapid Antigen Test This COVID-19 test detects certain proteins in the virus. Using a nasal swab to get a fluid sample, antigen tests can produce results in minutes. Book at a Medical Center COVID-19 RT-PCR Test A PCR test for COVID-19 is a test used to diagnosis people who are currently infected with SARS-CoV-2, which is the coronavirus that causes COVID-19. Book at a Medical Center