Whitehouse Centers for Disease Control and Prevention US Department of Homeland Security - Federal Emergency Management Agency

To be tested for COVID-19, a sample is typically collected from your nose and/or throat with a special swab at a designated collection location staffed by health care professionals. Currently, a health care professional swabbing the back of the nasal cavity through the nostril is the preferred choice. Alternatively, the health care professional could may swab the back of your throat, or for patients with symptoms of COVID-19 the sample could may be collected by swabbing the inside of the front of the nose. Depending on, among other things, the type of swab used, a health care professional may collect the sample, or you may be able to collect the sample yourself at the collection site under the supervision of health care personnel.

Last updated April 15, 2020
Source: U.S. Food & Drug Administrationlinks to external site