A rapid test (also known as an antigen test, quick test, lateral flow test or self-test) is a chemical test used to detect viral proteins in a sample. The rapid test is less sensitive than the PCR test, which means that the result is less reliable. However, the result is ready after only about 15-30 minutes.
The rapid test, like the PCR test, provides only a momentary indication of your condition. As a result, it is recommended that you continue to follow the recommendations to prevent infection, even if your test is negative.