COVID test used across state may offer clues about new strain
Copy shortlink: The U.S. Food and Drug Administration is alerting lab managers that several COVID-19 tests, including one used in Minnesota's free public testing, carry a slight risk of returning inaccurate results because of recent genetic mutations in the virus. But there's an upside. Thermo Fisher Scientific, which makes the TaqPath COVID test used at community testing sites across the state, says the test not only remains accurate, but it may offer an important clue that a more infectious COVID strain is present. And the technique has already worked in Minnesota. D...