Ellie Murray and Lucy D'Agostino McGowan discuss coronavirus a bit more, focusing on mask wearing, data quality, disease modeling, and more! ? IHME COVID-19 projections ? A quick DIY cloth mask how-to ? Ellie's TikTok on safe mask removal ? Lucy's tweetorial on estimating prevalences from testing data ?‍♀️ Lucy's model uncertainty tweetorial  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.