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Articles on PCR

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Researchers are working on handheld devices that can signal the presence of SARS-CoV-2 in the air. fotograzia/Moment via Getty Images

The COVID-19 virus can spread through the air – here’s what it’ll take to detect the airborne particles

Miniaturized laboratory equipment is making it easier to identify airborne pathogens in the field, but there's still work ahead to be able to instantly determine if a room is safe or contaminated.
Rapid blood tests for coronavirus could fill a large gap in knowledge. Taechit Taechamanodom/Moment via Getty Images

Coronavirus tests are pretty accurate, but far from perfect

Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.

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