Georgia is considering opening retail, restaurants, nail salons, in-person worship and other indoor places next week. Please feel free to share the study on top of this thread with your friends there: one asymptomatic person in a restaurant infected 10.https://twitter.com/JustinGrayWSB/status/1252330712092590080 …
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This doesn't rule out other methods but seems clear that sharing an air pocket with a large number of people at length (the bus ride was 100 minutes) in a poorly-ventilated, indoors environment where people talk is a significant risk. The superspreader is the person and the room.
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Not necessarily. Taiwan and Hong Kong have their very dense and heavily-used public transportation systems open (never closed them) and they are registering zero cases per day now. But everyone wears masks on public transit. https://twitter.com/slaughterdotcom/status/1255614534846500865 …
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So where is our contact tracing study for meatpacking plants? Is it the workplace or crowded living conditions of vulnerable workers like in Singapore? Both? We don’t have factory outbreaks reported elsewhere so what’s different? (Need data, not guesses).https://twitter.com/crampell/status/1256052475020312576 …
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Adding to my thread on “maybe it’s the unventilated, air-conditioned room that’s the superspreader” research.https://twitter.com/aiims1742/status/1262113685331488771 …
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Arkansas: two people with COVID attended church events and infected *at least* 32 out of 92 (not everyone was tested because of guidelines at the time) leading to four deaths. The attack rate was as high as 35 cases out of 45 people for one of the events. https://www.cdc.gov/mmwr/volumes/69/wr/mm6920e2.htm?s_cid=mm6920e2_w …pic.twitter.com/42mkL70eDT
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New superspreader study from Hong Kong. They find 20% of infections are responsible for 80% of transmissions and a (k) of 0.45. Usual suspects: bars, restaurants and a wedding. Fourth new paper on SSE. (Authors
@bencowling88 ,@gmleunghku et al.). https://www.researchsquare.com/article/rs-29548/v1 …pic.twitter.com/ESvHKiJfPK
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I wonder when bus tours for seniors will restart. Very sad for people to be talking about reopening when we are just starting to understand how dangerous inside recirculation is.
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This puts in perspective this excellent video showing how tiny virus particles actually circulate and hang in the air in a closed room, including a room in which people are just talking. https://vimeo.com/402577241?ref=em-share … covid
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I like how they call them micro-droplets. Everyone else seems to be calling them aerosols
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Great thread! Really interesting. Are there any reported cass of super-spreaders on airplanes?
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