5 ways hospital execs see to improve COVID-19 vaccination process Getty Images Roseman University Associate Professor of Pharmacy Practice Dr. Christina Madison administers a Moderna COVID-19 vaccination to Leona Eskonen, 77, at the Doolittle Senior Center on February 3, 2021 in Las Vegas, Nevada. Health systems, pharmacies and health departments across the country are scrambling to vaccinate enough people to slow the spread of COVID-19 and hopefully reach herd immunity. But that progress is being hindered by vaccine supply unpredictability and a lack of a cohesive national plan to distribute the vaccine, hospital executives say. Mike Slubowski, president and CEO of Trinity Health, a faith-based health system based in Michigan, called the COVID-19 vaccination initiative the "greatest public health feat of our lifetime," during a webinar Tuesday hosted by the American Hospital Association.