Coronavirus testing: How it works, why Utah’s tests are down, and what’s coming next?

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. Testing has taken on a gigantic role in the story of this pandemic. It’s the subject of genuine confusion and grandstanding claims, and because it provides the basis of our knowledge about the virus, it’s legitimately import