As researchers race to find a vaccine for the novel coronavirus, governments and citizens are being asked whether such a vaccine could or would be made mandatory.\n\nOn this episode of This Is Why, we look at why vaccinating a population against disease is necessary for public health and the challenges of making a hypothetical vaccine against COVID-19 mandatory.\n\nContact:\n\nAdam Toy - @Adam_Toy on Twitter\n\nDave McIvor - @d_mac1519 on Twitter\n\nThis is Why - @ThisIsWhy on Twitter\n\nEmail us - thisiswhy@globalnews.ca\n\nGuests:\n\nDr. Shannon MacDonald, assistant professor, University of Alberta Faculty of Nursing