Rebecca Fielding-Miller(rkfmiller@sciences.social) Profile picture
Social epidemiologist & professional angry feminist. San Diegan. Jew-ish Unitarian Universalist. Director of @SaseaSystem. Occasional bike commuter.
Feb 22, 2023 7 tweets 2 min read
Just presented at #CROI2023: We counted the number of kids and adults fully masked at school and compared it to wastewater in covid. After correcting for background vaccination and case rates, masking was significantly associated with lower probability of covid+ 💩 (1/x) This genuinely surprised me! I was not expecting to see such a big effect! (2/x)