How Philly is cracking the code for measuring mask compliance
For all of this year’s discussion about face masks, the health benefits of wearing them, and the occasional protest against mandates, many cities still lack data on how many residents are actually wearing masks. This is, however, a key metric cities need to consider when weighing decisions around reopening. And that’s one reason why two studies in Philadelphia—measuring compliance with that city’s mask mandate—are attracting attention.
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