Ellie Murray and Lucy D'Agostino McGowan chat about ecological studies, the new Pfizer vaccine interim analysis, and more! 📈 Vanderbilt University Department of Health Policy's COVID-19 Deaths in Tennessee and Adoption of Mask Requirements (h/t Peter Rebeiro) 📈 The original masks v no masks graph 🗞 Pfizer's press release about the interim analysis for their vaccine trial 📓 Pfizer's vaccine trial protocol PeDAGogy Here is the DAG from our peDAGogy segment: Follow along on Twitter: The American Journal of Epidemiology: @AmJEpi Ellie: @EpiEllie Lucy: @LucyStats 🎶 Our intro/outro music is courtesy of Joseph McDade. 👩🎨 Our artwork is by Allison Horst. Rss Apple Podcaster →