Tweet from ASlavitt at September 12, 2021 at 02:00PM

This chart is interesting.
What it says is that Delta is spreading within households (that’s what Secondary Attack Rate means) at the same level as peak flu season.
Note the increase over last September.

It implies at least 3 things we should try to understand better. 1/ https://t.co/LtFUHpyEdX

— Andy Slavitt 🇺🇸💉 (@ASlavitt)
Sep 12, 2021

from http://twitter.com/ASlavitt