Sunak refuses to commit to wearing mask in crowded Commons

The chancellor also reiterated that ministers did not yet believe it was necessary to move to the government's "plan C" for Covid over the winter, which would reintroduce mandatory mask wearing for crowded spaces, vaccine passports and more home working.

LONG THREAD on masks. Mute if not interested.

Do masks work? Why do some people claim they don't work? Do they cause harm? What kinds of masks should we wear? How does masking need to change now we know that Covid is airborne? When can we stop wearing them?
Get your popcorn.
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— Trisha Greenhalgh (@trishgreenhalgh) July 11, 2021

Breathing, speaking, coughing or sneezing: What drives transmission of SARS-CoV-2?

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