Another saliva LAMP test is being tested by David O’Connor at the University of Wisconsin-Madison. Their technique bears many similarities to the Columbia test, including a color-based readout, but takes slightly longer and involves a couple of extra steps. Early trials of the test on volunteers in Wisconsin have gone well, Dr. O’Connor said, and one school district in Illinois is using the test to screen about 1,400 students and teachers on a weekly basis.
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