A conversation with Chris Mayne, PhD, a biology professor at Viterbo University, on May 4, 2020. We talk about the different types of COVID-19 tests, herd immunity, the prospects for an effective vaccine, and whether it is an ethical responsibility to be vaccinated. This is Episode 6 of Ethics Today hosted by Richard Kyte, Director of the DB Reinhart Institute for Ethics in Leadership at Viterbo University.