The real time polymerase chain reaction rt-pcr test report online is a molecular check that analysis your higher metastasis specimen, searching for genetic material (ribonucleic acid or RNA) of SARS-CoV-2, the virus that causes COVID-19.  A positive test means you likely have COVID-19. A negative test means you probably did not have COVID-19 at the time of the test. Get tested if you have symptoms of COVID-19 or have been exposed to someone who tested positive for COVID-19.