So do we still believe that 1) during the OG SARS epidemic, residents in a different but downwind building acquired virus from an infected building upwind, *and* that 2) risk of outdoors sars-cov-2 acquisition is so low we don't need masks?
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Replying to @MackayIM
zeynep tufekci Retweeted zeynep tufekci
Even before this paper, I had been suspicious of the Amoy Gardens studies for building-to-building transmission, tbh. The geography of the place has a much more parsimonious explanation: shared, packed buses from there and the shared shopping complex.https://twitter.com/zeynep/status/1404120870658977800 …
zeynep tufekci added,
zeynep tufekciVerified account @zeynepReplying to @wanderer_jasnahI had a lot of back-and-forth with aerosol experts on Amoy Gardens, and I'm not convinced the long-range airborne between buildings via wind theory is that strong. I know the geography of the place, no dedicated subway and shared bus lines which are packed in mornings/evening.4 replies 3 retweets 28 likes
Within Block E? Sure, that looks strong. But the between-block data is weak (check previous papers) imo, and just probabilistic with a weak signal. Meanwhile, the bus station is right there, and people in Hong Kong take bus/subway and don't drive much. Haven't seen that traced.
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