1. Epidemics (Especially Ebola)
2. Hardy, L., G. Saul, and S.M. Smith 2020 As Arizona coronavirus cases surge from early reopening, Indigenous nations suffer not only more cases of COVID-19 but also the blame. The Conversation. https://theconversation.com/as-arizona-coronavirus-cases-surge-from-early-reopening-indigenous-nations-suffer-not-only-more-covid-19-but-also-the-blame–141502, accessed 30 June
3. Establishing a causal link between social relationships and health using the Bradford Hill Guidelines