TestUtah declines to join other Utah labs in accuracy check

Editor’s note: The Salt Lake Tribune is providing free access to critical stories about the coronavirus. Sign up for our Top Stories newsletter, sent to your inbox every weekday morning. To support journalism like this, please donate or become a subscriber. Amid questions about the accuracy of TestUtah.com’s coronavirus test results, the statewide testing operation declined to join other major Utah labs in a joint experiment to confirm each others’ quality.Instead, the TestUtah