#Aerosols

WOW. Amazing tool to calculate #SARSCoV2 risk indoors w/ airborne aerosols: Mask?If so, what type of mask?How much ventilation?How many people?Speaking time?Speaking volume?Size of room?Ceiling height? Duration in room?#COVID19https://www.z
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Nearly tears of joy seeing new paper in medical journal with correct analysis and interpretation of aerosol transmission: https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(20)30323-4/fulltext See thread for summary of main poi
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CLEARING AEROSOLS FROM ROOMS: Now that aerosol transmission of the coronavirus is established, the big question is how to disperse aerosols quickly enough. Well, this video explains it all. Thread
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AEROSOL—Computer model of the Diamond Princess cruise utbreak found that the virus spread most readily in microscopic droplets light enough to linger in the air—it was aerosol. This is
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I’m going to make a “why masks don’t work” thread today...Let’s start with respiratorsRespirators do provides some* protection for the wearerHowever, they do absolutely nothing to stop exhaled aerosolsExhaled breath
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Airborne Transmission of SARS-CoV-2: What We Know https://academic.oup.com/cid/advance-article/doi/10.1093/cid/ciab039/6103221#.YAYRMJvSJ4Q.twitter Paper from our @theNASEM #EnviroHealthMatters workshop. Source-to-dose framework, like for p
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5/ c) Aerosols: don’t fall to ground quickly unlike drops, stay in the air tens of sec to hrs (depend on size). Infect by inhalation (or deposition onto eyes). Substantial
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(1/6) Why does superspreading occur?There are likely many reasons, but one intriguing possibility is some people might be biologically predisposed to release more aerosols when they speak.This study shows that
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Ominous: we now have SMOKING GUN proof that #SARSCoV2 virus aerosol particles in the air are indeed infectious. Scientists captured air-floating Microdroplets, and then tested the air-derived virus to see
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CDC TOO LOW—I told @mehdirhasan that CDC Director’s 450k death projection is an under projection of #COVID19 deaths. We could likely hit 500k+ by end of Feb. And we already
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Just the facts:-Among the samples collected without a face mask, we found that the majority of participants with influenza virus and coronavirus infection did not shed detectable virus in respiratory
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1/ A thread w/ observations from the live Q&A with #WHO this morning:They are working really hard to control the narrative of #COVID19 spread and play a critical role, but
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EDUCATION LEADERS: Read @zeynep's article to keep educators & students safer.In short, we need less #HygieneTheater & more focus on ventilation since COVID-19 may spread via falling droplets AND floating
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Airborne transmission—Look how a South Korean high school student became infected after **5 minutes of exposure from >20 feet away**. We cannot keep using the 6-feet (2 m) standard of
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Japan knew it was airborne and changed policies early. “in rooms with dry, stale air—people coughing, sneezing, & even talking & singing, emit tiny particles that defy gravity—able to hang
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1/ Localized extraction of aerosols in dentistryThis is the solution that makes the most sense by far to me, combined w/ ventilation and portable HEPA air cleaners. This type of
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