Why Testing Speed Matters

And why the U.S. backlog is not ideal

A new study published in the journal The Lancet Public Health underscores the need for fast testing as a means to control the Covid-19 pandemic. The researchers of the study used mathematical modeling to determine the effectiveness of conventional and app-based contact tracing strategies on Covid-19 transmission. They conclude that the speed of testing is the most important factor for successful contract tracing, and quelling the spread of Covid-19. If Covid-19 testing is delayed by even just three days or more after a…




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Alexandra Sifferlin

Alexandra Sifferlin

Health and science journalist. Former editor of Medium’s Covid-19 Blog and deputy editor at Elemental. TIME Magazine writer before that

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