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Weekly Health Quiz: Surveillance, Propaganda and Masks

WARNING!

This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

1 Postmarketing surveillance data are:

  • Not a sufficient or appropriate substitute for randomized placebo-controlled safety trials

    Postmarketing surveillance data is not a sufficient substitute for randomized placebo-controlled safety trials, especially if relying on voluntary reporting and/or self-reporting. Learn more.

  • A perfectly valid substitute to randomized placebo-controlled safety trials
  • Highly reliable, in terms of assessing safety
  • Highly reliable, in terms of assessing efficacy

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