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To: nickcarraway

Isn’t something like 40% the common number for “herd immunity”?


3 posted on 01/21/2023 4:20:13 PM PST by Vigilanteman (The politicized state destroys aspects of civil society, human kindness and private charity.)
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To: Vigilanteman

We have never achieved hard immunity for cold or flu


11 posted on 01/21/2023 5:20:38 PM PST by JSM_Liberty
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