When used correctly, many rapid antigen tests are good at detecting people carrying high levels of the virus.
Americans can now take rapid antigen tests from the comfort of their own homes. Many of these tests are available without a prescription and return results in just 15 minutes.
A handful of rapid antigen tests are available without a prescription, including the Abbott BinaxNOW, the Ellume Covid-19 Home Test and the Quidel QuickVue At-Home Covid-19 Test. Prices start at about $7 per test, although President Biden has announced plans to reduce prices by roughly one-third.
All three detect small viral proteins, called antigens. The tests require rubbing a shallow nasal swab inside your nostrils and then exposing the swab to a few drops of chemicals. They provide results in about 15 minutes.
The tests themselves are fairly straightforward, but each one involves a slightly different procedure, which should be followed to the letter. “If you’re doing at-home tests, you must read the instructions and follow them meticulously,” said Dr. Patrick Godbey, a former president of the College of American Pathologists.
Read more at The New York Times.