https://www.selleckchem.com/products/sc144.html
We present a dataset covering the extent of local mask orders between April and August 2020, in states which did not have statewide orders (and hence 100% coverage). We obtained data from national and regional newspaper and broadcaster web-based articles, and city and county web pages. The information that we abstracted included city or county of ordinance, date that the ordinance took effect, and the population of the city or county. In 14 states, city or county governments issued mask-wearing orders, and from our dataset it can been see
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