A Massive Study Aims to Find Undetected Covid-19 Cases

It could reveal the true magnitude of the pandemic

Scientists think one reason for the rapid spread of the new coronavirus is that some people who are infected don’t get any symptoms at all. These asymptomatic carriers can unwittingly spread the virus to others.



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Emily Mullin

Former staff writer at Medium, where I covered biotech, genetics, and Covid-19 for OneZero, Future Human, Elemental, and the Coronavirus Blog.