Unlike RATs, this test needs to be stored in the fridge before use. You take a nasal swab, insert it into a solution in a tube, then add one drop to a special battery operated cassette.

These RATs contain antibodies that can detect influenza A, influenza B, and SARS-CoV-2. Some kits have a test cassette with one well to add drops to and one window labelled: C (control), A ...

These RATs contain antibodies that can detect influenza A, influenza B, and SARS-CoV-2. Some kits have a test cassette with one well to add drops to and one window labelled: C (control), A ...

Combination self-tests are like other Covid RATs, however, they feature an additional line on the test cassette that indicates the presence of influenza A and B. Most results will be displayed in ...