"A group of House Democratic leaders are questioning the the Biden administration's guidance on aerosol transmission which they say relies on "outmoded" science.
"In a letter to White House COVID response chief Jeff Zients, CDC Director Rochelle Walensky and acting Labor secretary Al Stewart, four House committee chairs say they have "serious questions" about adequacy of CDC's guidance on workplace protection from aerosol transmission
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"For the last two weeks, scientists, experts and unions have been prodding the administration to be more specific about guidance on exposure to small aerosol particles that carry COVID-19, which they say the CDC's official guidelines downplay.
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