One university showed how even the most comprehensive plan to contain the virus can break down. At the University of Illinois at Urbana-Champaign, more than 40,000 students take tests twice a week for the coronavirus. This is one of the most comprehensive plans by a major college to keep the virus under control. University scientists developed a quick, inexpensive saliva test. What the scientists had not taken into account was that some students would continue partying after they received a positive test result.

Source: New York Times September 11, 2020 09:15 UTC