We will be using the Abbott BinaxNOW™ COVID-19 Self Test. This is an antigen test that has the advantage of 15-minute results, but it is less sensitive than the gold-standard PCR tests that typically take 1-3 days for results. So that our guests are fully informed, here is an excellent resource about testing with a good overview of the relative strengths and weaknesses of both rapid tests and PCR tests. The summary is that rapid tests are less sensitive than PCR test, but can be effective - particularly when used in serial.