Dr. Richard Corsi, Discover and Read the Best of Twitter Threads by @CorsIAQ

Dr. Richard Corsi

1/ I have been asked extensively during interviews and by the public about my own personal decisions during this pandemic. I never answer questions like "which air cleaner should I

1/ Inhalation dose occurs in both the near field (close contact) and far field in the same indoor space. It is reasonable to assume that near field concentrations in the

1/ Would have changed the title to "The Ionizer in Your School Likely Does Little to Fight Covid, Consumes Precious Resources that Could Have Been Used to Effectively Reduce Inhalation

1/ Why universal mask wearing in buildings is importantFirst, the persons infected are unknown. So, if everyone wears a mask the infectors are also wearing masks. Second, everyone else (receptors)

1/ On new CDC guidelines that move from single-event exposure time for close contact to 24-hour integrated exposure time over 24 hours. My take .... 2/ First, while exposure time

1/ The rebreathed fraction of air is the fraction of air that one inhales that came out of the collective respiratory systems of others in an indoor space. If a

1/ It's been a pleasure working with @Wymelenberg & @Apphouman72 on this project. The simple V1.0 model is designed as a "platform" w/ easy incorporation of new info/data that become(s)

1/ Filed under ... Bad info = public confusion = bad decisions = higher risk.I was interviewed by a reporter this week who said that a medical doctor had told

1/ Back to basics (focus on the source)“If there is a pile of manure in a space, do not try to remove the odor by ventilation. Remove the pile

Some considerations for universities. Not all-inclusive. 1. REDUCE SOURCES.Decrease # on campus. Test if possible. Avoid specific indoor activities, e.g., choir, wind instruments, heavy breathing (aerobic exercises, etc.). REQUIRE MASKS

1/25 More Thoughts on Schools, or How We Might have Blown it Again. Apologies to many who want to rush back, for understandable reasons, despite potentially horrific cost of doing

1. I learned today that a tweet that I posted nearly two months ago was used in an article in a well-known magazine in Canada. I am concerned that the