The breathalyzer can give back results in three minutes, but has to be performed by a health care professional.
To take the test, a patient blows for ten seconds into a sterilized straw attached to the side of the analyzer, which looks like a black plastic box the size of a suitcase. Inside is a mass spectrometer, which can analyze the specific chemicals in a gas. The device will look for five different volatile organic compounds—the type of chemical that creates smells like pine needles or orange rind—emitted by SARS-CoV-2, the virus that causes COVID.
The test will deliver results in three minutes, faster than the typically 15-minute at-home rapid tests, with comparable accuracy. According to the FDA announcement, the breathalyzer correctly identified positive cases 91 percent of the time. In addition to speed and accuracy, the other advantage is comfort, which may encourage more people to get tested, Yvonne Maldonado, a Stanford University School of Medicine infectious disease researcher,
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