https://twitter.com/rdmorris/status/1609591440266625027We've known for a long time that a significant portion of Covid hospitalizations are incidental. I reported on this twice. First, for pediatric numbers, in May 2021
https://twitter.com/JamesSurowiecki/status/1584642344498114560This study by @vkoganpolisci in Ohio found "Districts with fully remote instruction experienced test scores declines up to three times greater than districts that had in-person instruction"
https://twitter.com/StephTaitWrites/status/1565820444846227456Primarily, state-level data, which the author relies on, is overly crude. At the local and district level, numerous, more rigorous analyses have found an overt correlation between time out of school and learning loss