DETROIT With 700 students seeing patients and members of the public at two facilities, five students at University of Detroit Mercys School of Dentistry have tested positive for COVID-19. The fact that five students tested positive wasnt the essence of the story, dean Aksu said. The other two students who tested positive are believed to have picked up the virus off campus through community exposure. As the time since the last positive test grows, the likelihood of more positive cases declines every day. In making our decisions, we rely on the CDC guidelines, the ADA practice guidelines, and local experts like I am including below.