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Lani - you're not that dense, so it must be that Dick's email was a little fuzzy relative to the safety of singing together in person. Personally, as an old buzzard with somewhat compromised respiratory status, I'm not ready to sing in a group yet. An amazing coincidence: while in college I wrote a paper entitled "The Risk of Being Severely Injured While Playing Various Instruments In A Mediocre College Orchestra" which sadly was never published. Such a waste.
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Bob
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On June 13, 2020 at 8:04 PM Lani Seifert via Choir <choir@unitarianchurchofmontpelier.org> wrote:
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English please?
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Please translate this as it relates to Bronwyn’s possible plan.
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Sorry to be so dense!
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Lani
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On Sat, Jun 13, 2020 at 7:36 PM Richard Riley via Choir <
<a href="mailto:choir@unitarianchurchofmontpelier.org">choir@unitarianchurchofmontpelier.org</a>> wrote:
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Dear All,
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It's good to feel the pulse of your desire to sing together!
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</div>Amazingly, "viral transmission via inhalation of small airborne respiratory droplets," cited in the May, 2020 paper
<em><a target="_blank" href="https://www.nfhs.org/media/3812357/risk-of-transmission-instrument-playing-vsfinal.pdf" rel="noopener">Statement of Work: Aerosol Generation from Playing Band Instruments, Singing and Performing and Risk of Infectious Disease Transmission</a></em> is still assessed by the so-called Wells-Riley model, named after my father, my Uncle Ed, and their teacher William Wells.
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This from another paper: "In the preface to his 1955 masterwork, “Airborne Contagion and Air Hygiene: An Ecological Study of Droplet Infections” published by Harvard University Press,... Wells attributes the crucial distinction between droplet nuclei (airborne inhalable dried residua of larger respiratory droplets) and germ-laden dust (non-inhalable larger respiratory droplets) to Richard L. Riley, a medical student working with him at Harvard at the time."
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I am very proud of my dad and uncle, and the fact that the Wells-Riley model is still one of the ways to assess risk for airborne infection is pretty amazing.
<u>Please keep that Wells-Riley equation in mind when next you sing together</u>!
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Dick
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P.S. Here's the equation, for your next moment of light party conversation:
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<span style="box-sizing: border-box; margin: 0px; padding: 0px; color: #2e2e2e; font-family: NexusSerif,Georgia,'Times New Roman',Times,STIXGeneral,'Cambria Math','Lucida Sans Unicode','Microsoft Sans Serif','Segoe UI Symbol','Arial Unicode MS',serif; font-size: 18px;"><span style="box-sizing: border-box; margin: 1em 0px; padding: 0px; display: block;" id="ox-66e1bf36ba-m_-7301918212486860418gmail-fd1"><span style="box-sizing: border-box; margin: 0px; padding: 0px;"><span style="box-sizing: border-box; margin: 0px; padding: 0px; display: inline-block; font-size: 16.2px; white-space: normal; float: none; direction: ltr; min-width: 0px; min-height: 0px; border: 0px;" id="ox-66e1bf36ba-m_-7301918212486860418gmail-MathJax-Element-1-Frame"><span style="box-sizing: border-box; margin: 0px; padding: 1px 0px 0px; border: 0px; height: 1px; width: 1px; overflow: hidden; display: block;"><span style="font-family: Arial,Helvetica,sans-serif; font-size: small; color: #222222;">Dick</span></span></span></span></span></span>
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<span style="box-sizing: border-box; margin: 0px; padding: 0px; color: #2e2e2e; font-family: NexusSerif,Georgia,'Times New Roman',Times,STIXGeneral,'Cambria Math','Lucida Sans Unicode','Microsoft Sans Serif','Segoe UI Symbol','Arial Unicode MS',serif; font-size: 18px;"><span style="box-sizing: border-box; margin: 1em 0px; padding: 0px; display: block;" id="ox-66e1bf36ba-m_-7301918212486860418gmail-fd1"><span style="box-sizing: border-box; margin: 0px; padding: 0px;"><span style="box-sizing: border-box; margin: 0px; padding: 0px; display: inline-block; font-size: 16.2px; white-space: normal; float: none; direction: ltr; min-width: 0px; min-height: 0px; border: 0px;" id="ox-66e1bf36ba-m_-7301918212486860418gmail-MathJax-Element-1-Frame"><span style="box-sizing: border-box; margin: 0px; padding: 1px 0px 0px; border: 0px; height: 1px; width: 1px; overflow: hidden; display: block;">P=1−exp(−pQτq)</span></span></span></span></span>
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On Fri, Jun 12, 2020 at 8:21 PM Bronwyn Fryer via Choir <
<a target="_blank" href="mailto:choir@unitarianchurchofmontpelier.org" rel="noopener">choir@unitarianchurchofmontpelier.org</a>> wrote:
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<br> Hi all
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<br> I’ve been thinking about trying to do this. If you don’t mind wearing a mask when we sing closer than 10’ from one another we might attempt in, say a 10-person per time group. Those of you who have been to my house know that there is plenty of room to spread around. I can provide mics and amplifiers for a few people and guitar accompaniment; it might be fun to do rounds and a cappella too if we can hear one another.
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<br> If interested, let me know and we can make arrangements.
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<br> Love to all.
<br> Unitarian Church of Montpelier
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