No, COVID-19 vaccines don't cause an 82% miscarriage rate as Sen. Ron Johnson said

PolitiFact is an established fact-checking newsroom that identifies its author and supports its verdict with research and attributed statements. The article provides substantial evidence, though the assessment reflects the publisher’s general institutional credibility rather than treating any single verdict as definitive.

• ▸Track record — Established national fact-checking outlet with a sustained record of reporting.
• ▸Editorial standards — The article explains the basis for its rating and distinguishes the claim from the underlying study data.
• ▸Transparency — Names the author and identifies studies, researchers, and sources for its claims.
• ▸Source type — National news and fact-checking publication.

The article lays out the denominator error with specific figures, cites follow-up and other studies, and includes a response from Johnson’s spokesperson. It is evidence-rich, although the article gives limited space to independent arguments for Johnson’s interpretation.

The article gives Johnson’s claim and his spokesperson’s explanation, then tests the claim against the study’s denominator, follow-up research, and other evidence. It is strongly evidence-led but does not provide an extended defense of Johnson’s interpretation.

• ▸Source diversity — Draws on published research, an expert, and the spokesperson’s response.
• ▸Omitted context — Explains both the initial study limitation and subsequent evidence; little space is devoted to an alternative interpretation.
• ▸Counterarguments presented — Includes Johnson’s statement and his spokesperson’s explanation of its source.
• ▸Loaded language — The decisive wording is tied to the fact-check rating and explained by the evidence.

The article uses a fact-check format and supports its conclusion with study figures and attributed statements. Its firm verdict follows the evidence presented rather than displaying a discernible partisan framing.

• ▸Language tone — Mostly factual and restrained, with its conclusion stated plainly.
• ▸Source selection — Uses research findings, a spokesperson’s response, and an outside medical expert.
• ▸Framing — Frames the piece around testing a specific statistical claim against the study methods and broader evidence.