Let’s talk about the “Swiss cheese model” of combatting the COVID-19 pandemic. This is a classic conceptualization of how to cope with hazards, and it powerfully illustrates several features of what we are facing in the pandemic. #SwissCheeseModel (Image h/t @MackayIM) 1/ pic.twitter.com/CyYBlW2BVt

— Nicholas A. Christakis (@NAChristakis) October 11, 2020