NYC Doctor Develops Rapid, Non-Invasive Covid-19 Test

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A New York fertility doctor has developed a rapid, noninvasive coronavirus test that can deliver accurate results in 30 minutes or less, according to a preliminary study.

The test, developed by Dr. Zev Williams, a reproductive endocrinologist who runs the Columbia University Fertility Center, and his colleagues, uses a person’s saliva to screen for COVID-19.

A small sample of saliva is placed into a tube containing enzymes and a compound that causes a chemical reaction before the tube is then warmed up with a heat block. The liquid in the tube turns yellow when it’s positive for the virus or red when it’s negative.


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