I think we should look into separating runners from walkers and other congestion management techniques (like with traffic) so that people can have access to outdoors/exercise (essential) without increasing anxiety/risk (not good!). Key is maintaining distance.
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Replying to @zeynep @lorakolodny
So only runners run in a huffing-and-puffing runner's wake? That doesn't mitigate the runners aerosol wake reality much, does it?
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Replying to @ztopiapub @lorakolodny
I would personally not consider running behind a runner outdoor to be high-risk, especially if everyone ran in the same direction and kept a few feet apart. (It's not at all proven that there is aerosol (tiny floating) rather than droplets (larger)).
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Replying to @zeynep @lorakolodny
What about these? March 17 MIT https://jamanetwork.com/journals/jama/fullarticle/2763852 … March 26 MIT hhttps://jamanetwork.com/journals/jama/fullarticle/2763852
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Replying to @ztopiapub @lorakolodny
Good to explore but if there was such sustained transmission *outdoors*, we would be looking at very very different numbers. That's relevant for ventilation systems in hospitals (closed ventilation/high dose due to concentration of sick people). Not true in a running trail.
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Replying to @zeynep @lorakolodny
Do we have data that illustrates a sidewalk on a still day is different from a grocery store aisle?
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27 Feet indoors. Is a sidewalk on a still day really so different? A walker, walking in the wake of a runner? Doesn't feel safe it to me personally. https://www.oregonlive.com/coronavirus/2020/04/6-feet-of-social-distancing-not-nearly-enough-cdcs-recommendation-driving-some-experts-nuts.html …
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Replying to @ztopiapub @lorakolodny
I share the concern about indoors (poorer ventilation). I think runners/walkers should be separated when possible. But that article has huge errors. The "three hours in the air" came from a study where they aerosolized it ON PURPOSE IN A MACHINE. So, author is unqualified.
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And yeah, if somebody sneezed, that would stop me in my tracks! Hence directionality/spacing/separating runners from walkers. It's just the kind of thing I wish the CDC would do its job and give us sensible guidelines. Close all parks isn't sustainable for 18 months.
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Replying to @zeynep @lorakolodny
slot reservation systems (similar entry times when visiting museums) and pace tracking to load balance ... may be in our future
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Yeah, I have a piece in draft suggesting all that. But we really need all the ideas. If it was just going to be two weeks, we could do anything. But it's not. I also think slots for grocery shopping hours would be great. Crowding indoors is a terrible idea.
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Lovely to talk to you all. Thank you forgiving my initial faux pas. I wish you all the best as we do our best to help & support each other. Off for some ice cream with my 81-yr old Mum, who I’m staying with during the pandemic.
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No no it’s hard to communicate on Twitter! I didn’t take it the wrong way. Enjoy the ice cream!
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