Light-based device uses a few drops of saliva to effectively test COVID-19 patients

ScienceDaily
Feb 22, 2022, 1:54 pm207 pts
Researchers report on the development of a low-cost, portable, non-invasive device that uses light and saliva to test COVID-19 patients in less than 30 minutes. The results have shown that the device can detect very low concentrations of SARS-CoV-2 with a sensitivity of 91.2 percent and a specificity of 90…

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