Together with collaborators in sub-Saharan Africa, Mexico, and the United States, her research focuses on how social and economic factors influence disease transmission and sexual and reproductive health outcomes. Most of Dr. McCoy’s research projects culminate in the design and evaluation of new interventions intended to positively change health behavior, such as increasing adherence to antiretroviral therapy (ART) or encouraging people to engage in health screenings such as HIV testing. Through a diverse array of approaches, her goal is to identify innovative, cost-effective, and scalable interventions to overcome global health challenges.