Mathematics and Statistics Prof. Daniel Ashlock [2] discusses vaccine distribution on podcast This Matters.
Links[1] https://www.thestar.com/podcasts/thismatters/2020/07/30/the-ethics-of-a-covid-19-vaccine-and-who-gets-it-first.html [2] https://mathstat.uoguelph.ca/people/ashlock [3] https://www.uoguelph.ca/ceps/feature-category/media-covid-19