Fact check: COVID vaccines are not linked to miscarriages NewsGuard | August 20, 2026

https://geneticliteracyproject.org/2026/08/20/fact-check-covid-vaccines-are-not-linked-to-miscarriages/ A viral claim that COVID-19 vaccines cause an 82 percent miscarriage rate exploded across social media and Congress this month, but the number is a statistical mirage, according to NewsGuard’s Reality Check. Mentions of the claim on X jumped from a single post to more than 57,000 in a matter of days, fueled by Senators Rand Paul, Ron Johnson, Tommy Tuberville, and Ted Cruz.