
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
Bourouiba fears @WHO's current guidelines are “overly simplified” and “may limit the effectiveness of the proposed interventions” against #coronavirus.
“There’s an urgency in revising the guidelines currently being given by the [WHO] and the [ @CDCgov]. https://nypost.com/2020/03/31/coronavirus-could-travel-27-feet-stay-in-air-for-hours-mit-researcher/
“There’s an urgency in revising the guidelines currently being given by the [WHO] and the [ @CDCgov]. https://nypost.com/2020/03/31/coronavirus-could-travel-27-feet-stay-in-air-for-hours-mit-researcher/
"The rapid international spread of #COVID19 suggests (current assumptions) may not accurately reflect what actually occurs w/respiratory emissions, possibly contributing to the ineffectiveness of some procedures used to limit the spread" of #coronavirus. https://jamanetwork.com/journals/jama/fullarticle/2763852?resultClick=1
Dr. Bourouiba, an expert in the dynamics of coughs and sneezes: "A 2020 report from #China demonstrated that #SARSCoV2 virus particles could be found **in the ventilation systems** in hospital rooms of patients with #COVID19."
#coronavirus #COVID19 https://jamanetwork.com/journals/jama/fullarticle/2763852?resultClick=1

#coronavirus #COVID19 https://jamanetwork.com/journals/jama/fullarticle/2763852?resultClick=1
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
Given the global shortage of #masks/other #PPE, Trump must invoke the #DefenseProductionAct NOW
