Master’s student Kristina Mihajlovski, standing left, and Ph.D. student Casey Barber, standing right, teach COVID-19 contact tracing with UNLV School of Public Health students, seated from left, Ashlen Ramit, Yareli Romualdo, Alanna Johnson, Monika Fiandra and Emily Sandoval Thursday, Aug. 20, 2020. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto