WHO *finally* updates its recommendations, directing healthcare workers to wear masks like N95s or KF94s—the appropriate protection for this airborne virus, and something for which evidence has been increasingly loud and clear since spring/summer of 2020.https://twitter.com/WHO/status/1473668324454195203 …
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Sad that we did not spend the billions of dollars wasted on plexiglass barriers—which is associated with higher transmission because it can impede ventilation, as documented in studies—on proper masks of correct fit and filter, ventilation, HEPA filters and other tools that help.
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The next step should be loud, because of this. Course corrections cannot be whispered or implied, especially after the last two years. Countering it will take a lot of work.https://twitter.com/zeynep/status/1473715985718857732 …
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been such a long time in coming.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Yes! Thanks to
@kprather88 It’s the **ventilation** not the elevator button.Thanks. Twitter will use this to make your timeline better. UndoUndo
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