For those who have made a trip to a doctor or clinic during the oncoming flu season, the most nagging concern is whether their symptoms are indicative of the garden-variety bug that is making the rounds in the workplace or a potential COVID-19 infection. As researchers scramble to treat this virus—and its inevitable variants and mutations—one of the biggest challenges has been quickly and accurately diagnosing the source of the illness so that the proper treatment protocols are administered, and in time to decrease the odds of potentially dangerous complications.