US Politics on Yik Yak | “the vaccines weren’t tested against a placebo” many were, but yes some modern vaccines don’t get tested against a placebo bc it’s unethical to withhold life saving vaccines

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US Politics 18w

“the vaccines weren’t tested against a placebo” many were, but yes some modern vaccines don’t get tested against a placebo bc it’s unethical to withhold life saving vaccines

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Anonymous 18w

and there are other ways to gather conclusive evidence of efficacy.

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