This test can detect when your body is fighting a virus

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A test that measures the RNA or protein molecules in human cells is also able to detect when your body is fighting a viral infection from respiratory symptoms, according to Yale researchers.

The test involves a nasal swab and could be a faster and cheaper way to diagnose respiratory viral illnesses.

“It’s a simpler test and more cost-effective for looking at viral infection,” Ellen Foxman, the study’s author and assistant professor of laboratory medicine at Yale School of Medicine, said in a press release.

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