Viral tests check samples from your respiratory system, such as a swab from the inside of your nose, to tell you if you currently have an infection with SARS-CoV-2, the virus that causes COVID-19. Some tests are point-of-care tests, meaning results may be available at the testing site in less than an hour. Other tests must be sent to a laboratory to analyze, a process that takes 1–2 days once received by the lab.
The diagnostic testing field for COVID-19 is rapidly evolving and improving in quality every day, with many tests focused on diagnosing patients with active viral infections. Diagnostics able to detect current, active infections are typically molecular-based diagnostics, which inform researchers of the presence of the pathogen, either by identifying its genetic material or identifying unique markers of the pathogen itself. The viral genomic material for SARS-CoV-2 is ribonucleic acid (RNA), which remains in the body only while the virus is still replicating.
COVID-19 Ag Rapid Test Cassette (Box of 25) for Qualitative Detection of SARS-CoV-2 Antigen in Swabs includes in the box:
Also, pay attention, that specimen collection with the swab available in 2 ways: Nasopharyngeal and Oropharyngeal swab. See below: