Certified Industrial Hygienist Stephen Petty’s Senate Testimony on Why Masks Don’t or Can’t Work
2 years ago
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children wearing a mask, reading and mathematics loss of performance: 12% to 15%
cdc changed the goal post for performance in learning, from 24 moths to 30 months. that's how they hide the performance loss.
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The Ironwood Table
5 months agoStephen Petty, Expert, Industrial Hygienist solution far more effective than masks
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The Ironwood Table
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DaveHutcho
1 year agoStephen Petty on the Effectiveness of Masks
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TheLibertyDaily
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JusticeIsNow
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