The lab operates 24 hours a day, seven days a week, processing about 800 tests a day.The lab’s turnaround time has been key to fighting the virus with many results returned in less than 12 hours. “I think we’ve played an absolute essential role in the city, particularly filling gaps within the community of people who may not have access to healthcare,” said Dr. Vickie Baselski, UTHSC Professor in Department of Pathology.