⚠️ @MIT's Dr. Lydia Bourouiba warns: “pathogen-bearing droplets of ALL sizes can travel 23-27 feet.”

She also warns: “droplets that settle along the trajectory can contaminate surfaces”—and “residues or droplet nuclei” may “stay suspended in the air for HOURS.”😳

#COVID19 #masks
Dr. Bourouiba's research (published in @JAMA_current) strongly suggests:

▶️Healthcare workers may be at an even HIGHER risk for exposure to #coronavirus, than previously thought
▶️6-foot #PhysicalDistancing may not be sufficient
▶️ #Masks may be necessary https://twitter.com/DrDenaGrayson/status/1245044631332585476?s=20
These data strongly suggest that EVERYONE should wear #masks outside home, but healthcare workers & people at high-risk for serious #COVID19 need them MOST.

Given the global shortage of #masks/other #PPE, Trump must invoke the #DefenseProductionAct NOW‼️ https://twitter.com/DrDenaGrayson/status/1245044631332585476?s=20
You can follow @DrDenaGrayson.
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