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   Jeff Gilchrist (jeffgilchrist@mstdn.science)'s status on Sunday, 26-Nov-2023 02:53:35 JST Jeff Gilchrist

   The EPA aerosolized non-pathogenic virus (bacteriophage MS2) and measured particle size (0.01 um to 0.6 um) and concentration during the testing in a 3000 square foot test chamber. They found the virus particle concentration was reduced by 40% after 15 minutes, 97% after 30 minutes, 99.4% after 60 minutes and 99.8% after 90 minutes.

   More details about this EPA CR box testing project are described here ( https://twitter.com/MarinaC_Dyb/status/1719349909210472749 ).28/