For negative results, a total of two negative antigen tests (or three, with no symptoms) should be done 48 hours apart. A ...

An antigen test ... Rapid antigen tests are most accurate if you develop symptoms of a COVID-19 infection, or at least five days after a known exposure to someone who was sick. Antigen tests are not ...

You may also hear this type of test called an NAAT test, short for nucleic ... for viral proteins called antigens. Antigen tests also may be called rapid COVID-19 tests or at-home COVID-19 tests.

In addition to rapid NAAT tests for all your travel needs, you can also get great prices on NorthStream’s antigen test ($59 and results in as little as 10 minutes), and the PCR test ($349 ...