Thread: Herd immunity is not a strategy, it is a biological fact
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Old 10-28-2020, 06:51 AM   #290
wdmso
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Join Date: Jun 2012
Location: Somerset MA
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COVID-19 transmission risk on airplanes 'virtually non-existent' when passengers wear masks


https://www.boston.com/travel/travel...sks-air-travel
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