University of Miami leads a pilot program to track variants of COVID-19 Dr. David Andrews, associate professor at the Miller School of Medicine, reviews data with senior medical technologist Ranjini Valiathan and Paola Pagan, executive director of laboratory operations for UHealth. Photo: Evan Garcia/University of Miami By Janette Neuwahl Tannen 02-26-2021 Dr. David Andrews, associate professor at the Miller School of Medicine, reviews data with senior medical technologist Ranjini Valiathan and Paola Pagan, executive director of laboratory operations for UHealth. Photo: Evan Garcia/University of Miami University of Miami leads a pilot program to track variants of COVID-19