The anal swab test is self-administered by inserting a saline-soaked cotton swab about 6 inches into the anus, then swirling it vigorously around the rectum for no less than one minute.
COVID-19 Test Results: You Want The Truth… Swab Your Anus!
The anal swab test is self-administered by inserting a saline-soaked cotton swab about 6 inches into the anus, then swirling it vigorously around the rectum for no less than one minute.