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As the audience arrive, the video screens display what looks like an old-fashioned TV test card, but is in fact the Progress Pride flag.

All the instructions are included and they’re also directly on the test card, which is handy.

He also suggested that some sort of touchable template be placed over a test card or cartridge to orient blind people as to where they should drop liquid or put their nasal swab.

None of the tests—performed by putting a nasal swab and some reagent drops on a test card or test cassette that quickly displays two lines for positive or one for negative—returned a positive result, and no one reported infections in the following days.

First, a health care provider will swab a patient's nose and apply the sample to the test card.