The Persistent Misleading Claim That Vaccines Aren’t Properly Tested for Safety
It’s a common, misleading refrain in anti-vaccine circles: Childhood vaccines may be unsafe because few if any have been tested in placebo-controlled trials before being approved. But that claim misunderstands the vaccine safety testing process and takes advantage of a narrow definition of a placebo, scientists told us.
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Elon Musk this week amplified an unfounded claim, based on a distortion of vaccine safety monitoring data, that COVID-19 vaccines killed tens of thousands of people in Germany. The vaccines saved millions of lives worldwide during a deadly pandemic, and serious side effects or deaths from vaccination are rare.
