Their seven day measurement time window choice is a bit suspect. I'd like to see a much longer time horizon. I'd also like to see it analyzed by population dens

Their seven day measurement time window choice is a bit suspect. I'd like to see a much longer time horizon. I'd also like to see it analyzed by population density. They chose a time window where the Northern well-vaccinated states are rising as everyone moves indoors and school starts [1]. The southern, less-vaccinated states generally were over the initial school class initial cross exposure spike. https://www.cnn.com/2015/08/04/living/school-start-dates-august-parents-feat/index.html https://www.cnn.com/2015/08/04/living/school-start-dates-aug...