Recall how long it took, in the depths of the COVID-19 pandemic, to screen yourself with the gold-standard method, the PCR test: You’d swab your nostrils, hand the swab to the person at the pharmacy or clinic, then wait while they sent it off to a lab for processing. Yes, the result was highly reliable, but it took days.
Why a St. Louis startup is giving away its pandemic-thwarting idea
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