Suzanne Humphries, an anti-vaccine influencer, misconstrues polio's history and effects, asserting that it isn't harmful. She incorrectly claims that the Xavante Indians of Brazil experienced low paralysis rates due to preexposure. Studies indicate their…
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Polio and the Xavante Indians of Brazil

By Vincent Iannelli, MD on May 12, 2025

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Suzanne Humphries, an anti-vaccine influencer, misconstrues polio's history and effects, asserting that it isn't harmful. She incorrectly claims that the Xavante Indians of Brazil experienced low paralysis rates due to preexposure. Studies indicate their population faced high mortality rates, contradicting her portrayal of their health and the polio virus's dangers.

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