Horowitz: Comprehensive analysis of 50 states shows greater spread with mask mandates
How long do our politicians get to ignore the results?
For months, we’ve been lectured to by the political elites that cases of coronavirus are spreading too quickly and that we must wear masks to stop the spread. The obvious fault with their act of desperation is that they can no longer mask the fact that most parts of the country have already been fully masked for months — long before the ubiquitous spread this fall.
Researchers at RationalGround.com, a clearinghouse of COVID-19 data trends run by a grassroots group of data analysts, computer scientists, and actuaries, did an analysis of all 50 states divided by those that had mask mandates and those that did not. Justin Hart, co-founder of the website, posted the results in a Twitter thread and shared with me the data analysis:
BREAKING! Do mask mandates work? Our analysis below. We looked at cases on days where mask mandates were in place v… https://t.co/nWbM4P0s1Y— Justin Hart (@Justin Hart)1608488744.0
They studied the number of cases over a 229-day period from May 1 through Dec. 15 and divided the results of the two study groups by days with mask mandates and days without mask mandates. The non-mandate data group includes both states that never had a mandate and those that did at some point, but data set included only the days they did not have a mask mandate.
The results: When comparing states with mandates vs. those without, or periods of times within a state with a mandate vs. without, there is absolutely no evidence the mask mandate worked to slow the spread one iota. In total, in the states that had a mandate in effect, there were 9,605,256 confirmed COVID cases over 5,907 total days, an average of 27 cases per 100,000 per day. When states did not have a statewide order (which includes the states that never had them and the period of time masking states did not have the mandate in place) there were 5,781,716 cases over 5,772 total days, averaging 17 cases per 100,000 people per day.
The reverse correlation between periods of masking and non-masking is remarkable.
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