How is the coronavirus test done?
Testing for COVID-19 involves inserting a 6-inch long swab (like a long Q-tip) into the cavity between the nose and mouth (nasopharyngeal swab) for 15 seconds and rotating the swab several times.
The swabbing is then repeated on the other side of the nose to make sure enough material is collected. The swab is then inserted into a container and sent to a lab for testing.
How Coronavirus Antibody, Genetic And Antigen Tests Work
There are three types of Covid-19 tests: genetic, antibody and antigen. More than 630 distinct tests are commercially available or in development, and some major players include Abbott, Roche, Thermo Fisher, LabCorp and the CDC are involved.