Angus Andrea Grieve-SmithMar 22

New post: Nine observations from three and a half years of carbon dioxide monitoring. #COVIDIsNotOver #COVIDIsAirborne

https://grieve-smith.com/ftn/2026/03/nine-observations-from-carbon-dioxide-monitoring/

Nine observations from carbon dioxide monitoring

Introduction In the first year of the COVID-19 pandemic I learned that we can estimate our level of risk by checking the concentration of carbon dioxide in the air, because when infected people breathe out virus aerosols, they also breathe out CO2.  I recently wrote about some limitations on this

Commentary by A. Grieve-Smith
Show threadTim Bray
@grvsmth Had a medical appointment recently on the 14th floor of one of the General Hospital’s towers. The elevator was slow, stopped at nearly every floor and people shuffled out and squeezed in. Jam-packed, at least 15 people. Two of us had masks. *shudder*
Mar 22 at 5:33pmWeb