Index/Topics/Anti-vaccine claims

Anti-vaccine claims

Jenny McCarthy's anti-vaccine testimony and advocacy were given airtime on Oprah's programs, leading to criticism from public-health advocates and science-based commentators.

Fact-Checks

5 results
Jan 12, 2026
Most Viewed

Who are the key figures promoting the JFK Jr alive conspiracy theory?

A loose constellation of QAnon influencers, fringe podcasters and a few high-profile conspiracy promoters have kept the claim that John F. Kennedy Jr. is alive circulating online and at in-person even...

Jan 16, 2026
Most Viewed

What specific episodes featuring Dr. Oz or Jenny McCarthy aired on Oprah’s platforms, and how did public health experts respond?

Oprah Winfrey gave high-visibility television platforms to both Dr. Mehmet Oz and Jenny McCarthy across the 2000s and beyond: Dr. Oz first appeared on The Oprah Winfrey Show in 2004 and was a regular ...

Jan 21, 2026

How have QAnon and other online communities promoted medical pseudoscience since 2020?

Since 2020 QAnon and adjacent online communities have amplified medical pseudoscience by repackaging false cures, sowing distrust in public health institutions, and cross-pollinating with wellness, an...

Jan 15, 2026

Which public figures or groups have promoted the idea that Jews control the U.S. government, and what evidence did they present?

A persistent set of antisemitic tropes — often labeled “Jews control” or “Zionist Occupation Government (ZOG)” — has been promoted by a range of actors from early 20th‑century industrialists to contem...

Jan 11, 2026

What role did YourNewsWire/NewsPunch play in other major conspiracy spreads before and after 2018?

YourNewsWire (later NewsPunch/Newspunch) acted as a prolific originator and amplifier of conspiracy narratives both before and after its November 2018 rebrand, repeatedly producing stories later debun...