Masks

 The NYT published a good, visual depiction of how masks work here.

The CDC's Science Brief on masks can be found here.

Ventilation Research

 Great summary, research, and many links on why better ventilation is important) even when we are not in the midst of a pandemic) for everyone's health -- including cognitive.

Read more:https://hbr.org/2017/03/research-stale-office-air-is-making-you-less-productive

Delta is Different

 

Delta is different. CDC reports that an elementary school teacher removed their mask for a Read a Loud and infected most of the kids seated at their desks in the first two rows and several others. Kids then infected some parents. 

 

Detailed report can be found here: https://www.cdc.gov/mmwr/volumes/70/wr/mm7035e2.htm?s_cid=mm7035e2_w

 

NYS DOH on masks indoors at school: https://coronavirus.health.ny.gov/system/files/documents/2021/08/2.60-determination.pdf