John Gregory
@johngregoryx.bsky.social
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Health editor at NewsGuard, tracking and countering false health claims.
The father of the vaccine-autism myth is back with a new report pushing the same false claim. By counting studies of varying quality and methods as if they were equal, the report is like "a mountain of garbage," according to one expert. Read more here:
www.newsguardrealitycheck.com/p/claim-dism...
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Claim Dismissed as âMountain of Garbageâ Links Vaccines to Autism
NewsGuard spoke to experts who dismissed a widely-promoted new report claiming to link vaccines to autism as based on misinterpreted data
https://www.newsguardrealitycheck.com/p/claim-dismissed-as-mountain-of-garbage
28 days ago
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President Donald Trumpâs pick for Surgeon General, Casey Means, has spread multiple provably false and potentially dangerous health claims â from the debunked myth that vaccines are linked to autism to the perilous claim that raw milk has health benefits.
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Five Health Hoaxes Pushed by Trumpâs Surgeon General Nominee
Casey Means, Trumpâs pick for Surgeon General, has advanced five provably false health claims since 2024, including that vaccines cause autism
https://www.newsguardrealitycheck.com/p/five-health-hoaxes-pushed-by-trumps
about 1 month ago
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Chemtrails still aren't real, even when there's a government shutdown. Read the latest from NewsGuard's Reality Check:
newsguardrealitycheck.com/p/the-end-of...
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The End of Secret Government âChemtrailsâ?
Conspiracy theorists are claiming that the government shutdown ended the practice of controlling the population through âchemtrailsâ â a phenomenon that doesnât actually exist
https://newsguardrealitycheck.com/p/the-end-of-secret-government-chemtrails
about 2 months ago
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Conservative social media accounts are baselessly claiming that Tylenol overdoses among pregnant women are increasing because liberals are taking large amounts of the medication to spite President Donald Trump. Read more with NewsGuard's Reality Check:
www.newsguardrealitycheck.com/p/pregnant-w...
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Pregnant Women Are Not Downing Tylenol to Spite Trump
No evidence supports a growing right-wing claim that liberal pregnant women are overdosing on Tylenol as a protest against Trump
https://www.newsguardrealitycheck.com/p/pregnant-women-are-not-downing-tylenol
2 months ago
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In less than 24 hours, there were 38,000 posts on X mentioning both âAmishâ and âno autism,â according to a social media analytics tool used by NewsGuard.
www.newsguardrealitycheck.com/p/bogus-vacc...
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Bogus Vaccine-Autism Claims Go Viral After Trump Press Conference
False claims, including that the Amish donât have autism because they are not vaccinated, surged following the Trump administrationâs Sept. 22 press conference
https://www.newsguardrealitycheck.com/p/bogus-vaccine-autism-claims-go-viral
2 months ago
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The head of a new federal task force charged with reviewing the safety of COVID-19 vaccines has spread multiple false claims about the vaccines, including saying that the vaccines are responsible for an âunprecedented level of harm.â
www.newsguardrealitycheck.com/p/cdcs-new-v...
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CDCâs New Vaccine Panel Head is a COVID Myth Superspreader
The leader of a new federal working group on COVID-19 vaccines has a long record of spreading false claims about vaccines.
https://www.newsguardrealitycheck.com/p/cdcs-new-vaccine-panel-head-is-a
3 months ago
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"According to misinformation tracker NewsGuard, the campaign...takes advantage of high-profile events to pump out fabricated content from various publications, including ABC News, BBC and most recently POLITICO."
www.politico.com/news/2025/08...
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Russia is quietly churning out fake content posing as US news
A pro-Russian propaganda group is taking advantage of high-profile news events to spread disinformation â and theyâre spoofing reputable news outlets to do it.
https://www.politico.com/news/2025/08/17/russia-us-news-media-disinformation-campaign-00512173
4 months ago
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RFK Jr. justified canceling mRNA vaccine funding by saying COVID vaccines: -"encourage new mutations" -"don't perform well" against respiratory viruses -"pose more risk benefits" All of those claims are false. More in NewsGuard's latest Reality Check:
www.newsguardrealitycheck.com/p/rfk-jr-cit...
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RFK Jr. Cites Three False COVID Vaccine Claims to Justify Canceling mRNA Vaccine Funding
Health and Human Services Secretary Robert F. Kennedy Jr. advanced three false claims about COVID-19 vaccines to explain his cancellation of $500 million in government-funded mRNA vaccine projects.
https://www.newsguardrealitycheck.com/p/rfk-jr-cites-three-false-covid-vaccine
4 months ago
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reposted by
John Gregory
NewsGuard
4 months ago
NewGuard has become the target of a Kremlin-backed propaganda operation. Weâll take the impersonation and baseless accusations of bribes to be confirmation weâre doing something right.
www.newsguardrealitycheck.com/p/russias-la...
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New from NewsGuard: Natural health influencers are recycling the long-debunked myth that staring at the sun will miraculously improve your eyesight. Recent TikToks promoting the dangerous practice have garnered 100,000+ views. Read more here:
www.newsguardrealitycheck.com/p/hoax-cure-...
4 months ago
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"The research, conducted through NewsGuard's newly launched Reality Gap Index in partnership with YouGov, surveyed 1,000 Americans and found that only 7 percent of those surveyed could correctly identify all three false claims as untrue."
newsweek.com/newsguard-st...
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Nearly half of Americans believe false claims, study shows
A NewsGuard study finds 49 percent of Americans believe false online claims, with only 7 percent correctly identifying all as untrue.
https://newsweek.com/newsguard-study-nearly-half-americans-believe-false-claims-2092838
5 months ago
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Since his first confirmation hearing, RFK Jr. has spread 12 provably false health claims in government hearings, media appearances, and on social media that have collectively amassed 25 million views on X alone, according to a NewsGuard analysis.
www.newsguardrealitycheck.com/p/rfk-jr-get...
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RFK Jr. Gets a Bigger Megaphone
Since January, the Nationâs Top Health Official Has Advanced 12 False Health Claims Gaining 25 Million Views on X Alone
https://www.newsguardrealitycheck.com/p/rfk-jr-gets-a-bigger-megaphone
5 months ago
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ICYMI: Researchers said RFK Jr.'s HHS twisted their work to justify shift on COVID vaccines during pregnancy. HHS' response was to suggest NewsGuard was dismissing "significance of the underlying data," even when the study authors said HHS was wrong.
www.newsguardrealitycheck.com/p/researcher...
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Researchers Say HHS Memo to Congress Twisted Their Work to Back RFK Jr.'s Anti- Vaccine Agenda
By John Gregory
https://www.newsguardrealitycheck.com/p/researchers-say-hhs-memo-to-congress
5 months ago
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A HHS and RFK Jr. memo to Congress cited multiple studies to justify the agencyâs new recommendation that pregnant women should not get a COVID vaccine. But the actual study authors who spoke to NewsGuard said HHS misrepresented their work.
www.newsguardrealitycheck.com/p/researcher...
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Researchers Say HHS Memo to Congress Twisted Their Work to Back RFK Jr.'s Anti- Vaccine Agenda
By John Gregory
https://www.newsguardrealitycheck.com/p/researchers-say-hhs-memo-to-congress
6 months ago
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One of the U.S. governmentâs new advisors on vaccine recommendations, Dr. Robert Malone, is a frequent source of vaccine misinformation, including the false claims that COVID-19 vaccines can cause cancer and increase the risk of stillbirths.
www.newsguardrealitycheck.com/p/the-myths-...
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The Myths Promoted by a New CDC Vaccine Advisor
Dr. Robert Malone has promoted 13 provably false claims from NewsGuardâs database
https://www.newsguardrealitycheck.com/p/the-myths-promoted-by-new-cdc-vaccine-advisor-robert-malone
6 months ago
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Anti-Vaxxers Resurface Myth that COVID-19 Vaccines Cause Miscarriages
www.newsguardrealitycheck.com/p/anti-vaxxe...
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Anti-Vaxxers Resurface Myth that COVID-19 Vaccines Cause Miscarriages
By Anicka Slachta
https://www.newsguardrealitycheck.com/p/anti-vaxxers-resurface-myth-that?r=f8qgu&utm_campaign=post&utm_medium=web&showWelcomeOnShare=false
6 months ago
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Joe Biden is not suffering from COVID vaccine-induced "turbo cancer" -- because that's not a real thing. After Biden's cancer announcement on Sunday, it took only nine minutes for the first posts falsely blaming COVID vaccines to surface on X.
www.newsguardrealitycheck.com/p/biden-not-...
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Biden Not Suffering from âTurbo Cancerâ
PLUS: Bogus Election Fraud Claims in Romania; Blogger John Dougan Flagged at Borders for Sharing Name with Kremlin Propagandist John Mark Dougan
https://www.newsguardrealitycheck.com/p/biden-not-suffering-from-turbo-cancer
7 months ago
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Contrary to claims pushed by RFK Jr.'s anti-vaccine group, none of the primary additives used to fluoridate water in the U.S. are included in a public, searchable database of substances that the EPA classifies as hazardous waste on its website.
newsguardrealitycheck.com/p/no-the-epa...
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https://newsguardrealitycheck.com/p/no-the-epa-doesnt-classify-fluoride
7 months ago
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NewsGuardâs depository of false health-related claims advanced by RFK Jr. and the anti-vaccine nonprofit he founded has now hit 103. Check out the whole list and subscribe to NewsGuardâs Reality Check while youâre at it:
www.newsguardrealitycheck.com/p/provably-f...
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Provably False Claims
NewsGuard has identified 103 different false claims promoted by Kennedy.
https://www.newsguardrealitycheck.com/p/provably-false-claims
7 months ago
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NewsGuard's health team often talks to experts when looking at complicated claims. This week, one expert didn't want his name used out of fear of being targeted by "a hit-list for grant cuts." Read more (and subscribe!) from NewsGuard's Reality Check:
newsguardrealitycheck.com/i/162124066/...
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https://newsguardrealitycheck.com/i/162124066/a-chilling-sign-of-the-times-please-dont-use-my-name
7 months ago
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reposted by
John Gregory
Dr. Lucky Tran
7 months ago
A new analysis by Stanford epidemiologists predicts that measles could become endemic again in the US in the next 20 years. This would be a catastrophic failure and a result of anti-vax propaganda. Measles is a vaccine-preventable disease that was declared eliminated in the US in 2000.
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Some X and Telegram users, citing comments from RFK Jr., are falsely claiming that studies debunking vaccine-autism claims have not compared vaccinated and unvaccinated children. In reality, multiple studies have done so, dating back to the 90s.
www.newsguardrealitycheck.com/p/rfk-jr-spa...
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RFK Jr. Sparks False Claim Generating Millions of Views that Vaccine/Autism Studies Never Compared Vaccinated to Unvaccinated Children
By John Gregory
https://www.newsguardrealitycheck.com/p/rfk-jr-sparks-false-claim-generating
7 months ago
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No, Dr. Fauci does not want to kill your cats to fight bird flu. All Fauci did was accurately note that H5N1 has infected cats -- which a frequent misinfo source stretched into a cat-killing conspiracy. More from NewsGuard:
www.newsguardrealitycheck.com/p/anthony-fa...
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Anthony Fauci Does Not Want to Kill Your Pet Cats to Fight Bird Flu
By John Gregory
https://www.newsguardrealitycheck.com/p/anthony-fauci-does-not-want-to-kill
7 months ago
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Anti-vaxxers are mixing up correlation and causation (again) with the Texas measles outbreak, falsely claiming that an uptick in MMR vaccinations after the outbreak started means the vaccine itself is to blame.
www.newsguardrealitycheck.com/p/higher-mea...
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Higher Measles Vaccination Rate Is Not Contributing to Texas Measles Outbreak, Despite Claims on Popular Websites
By John Gregory
https://www.newsguardrealitycheck.com/p/higher-measles-vaccination-rate-is
8 months ago
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8 months ago
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RFK Jr.'s anti-vax group is now blaming the measles death of a 6-year-old on "medical error" -- all based on records the public can't see and a re-diagnosis by Dr. Pierre Kory, best known for falsely promoting ivermectin as a COVID cure. The video racked up 1.2 million views in 5 days.
8 months ago
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8 months ago
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Frequent misinformation source Peter McCullough is pushing the same faulty measles math that NewsGuard covered in a recent Reality Check. VAERS reports don't prove causation â and you know why measles deaths are so rare in the U.S.? Vaccines.
newsguardrealitycheck.com/i/159060459/anâŠ
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https://newsguardrealitycheck.com/i/159060459/anâŠ
8 months ago
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reposted by
John Gregory
Dan Diamond
8 months ago
âFriday was my last day leading communications at the Centers for Disease Control and Prevention. I left my job because I believe public health policy must always be guided by facts and not fantasy.â Kevin Griffis writing in WaPo about what it was like to work under RFK Jr
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Opinion | When the government becomes a health misinformation superspreader
Until I left last week, I led the CDCâs public health messaging. Now we need something to replace it.
https://www.washingtonpost.com/opinions/2025/03/25/rfk-hhs-cdc-public-health-misinformation-spread/
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reposted by
John Gregory
E. Rosalie
8 months ago
NY Times covered the story. Kennedy claims he did not know and instructed them to take the website offline. I'm going to need more information.
www.nytimes.com/2025/03/22/h...
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Have you seen this chart floating around X, along with some text saying it proves that the Texas measles outbreak coverage is "propaganda" or "panic?" That kind of portrayal relies on some monumentally misleading math. (1/2)
9 months ago
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New from NewsGuard's health misinfo team: If you've seen this chart from anti-vaxxers recently, claiming measles vaccines cause more deaths than measles, it's based on one of their favorite sources to misrepresent: VAERS!
9 months ago
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Nine paragraphs of Dave Weldon's statement about his pulled CDC nomination are spent defending Andrew Wakefield and the retracted 1998 study that kickstarted the vaccine-autism myth. Weldon claims Wakefield "had not done anything unethical." UK GMC says otherwise.
www.nytimes.com/interactive/..
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The New York Times - Breaking News, US News, World News and Videos
Live news, investigations, opinion, photos and video by the journalists of The New York Times from more than 150 countries around the world. Subscribe for coverage of U.S. and international news, politics, business, technology, science, health, arts, sports and more.
https://www.nytimes.com/interactive/..
9 months ago
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New from NewsGuard: RFK Jr.'s anti-vax allies are falsely blaming vaccines for the Texas measles outbreak, even though state health authorities have said the infections were caused by a wild-type measles strain and most cases are among the unvaccinated.
www.newsguardrealitycheck.com/p/vaccines-f...
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Vaccines Falsely Blamed for Measles Outbreak
PLUS: Deepfake of Don Jr. Fools Democratic Party; AmEx Faces Boycott Over False Claim it Purged Israel from Website; Conservatives Boost Fake Trump Divorce Law Change
https://www.newsguardrealitycheck.com/p/vaccines-falsely-blamed-for-measles
9 months ago
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Following the first US measles deaths in 10 years, RFK Jr.âs anti-vaccine group is pulling a page out of the COVID misinformation playbook.
9 months ago
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9 months ago
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"As of Feb. 14, 2025, Muskâs X posts advancing claims that NewsGuard analysts determined are false have cumulatively gained 825.2 million views and 4.8 million likes."
www.newsguardrealitycheck.com/p/musks-28-f...
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Elon Muskâs 28 False Claims Get 825.2 Million Views
From $50 million taxpayer dollars for condoms in Gaza to a 40% pay increase for Congress, Musk is correct that some of his claims are âincorrectâ
https://www.newsguardrealitycheck.com/p/musks-28-false-claims-get-millions-of-views
10 months ago
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reposted by
John Gregory
NewsGuard
10 months ago
NewsGuard just published its most comprehensive audit of AI and misinformation to date, revealing that genAI models are more likely to generate false claims in Russian and Chinese than in other languages. Read NewsGuard's multilingual audit:
www.newsguardtech.com/ai-monitor/j...
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January 2025 â AI Misinformation Monitor Multilingual Edition
https://www.newsguardtech.com/ai-monitor/january-2025-ai-misinformation-monitor/
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reposted by
John Gregory
NewsGuard
10 months ago
Robert F. Kennedy Jr.âs confirmation hearing for Secretary of Health and Human Services resurfaced the debunked claim that Lyme disease is a bioweapon engineered in a U.S. government lab. Read it in Reality Check:
www.newsguardrealitycheck.com/i/156379078/...
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Bloomingdaleâs Ads Fund Fake Claims About D.C. Air Disaster
PLUS: Imaginary U.S. Funding for Condoms in Gaza; Lyme Disease Falsely Labeled as Bioweapon
https://www.newsguardrealitycheck.com/i/156379078/rfk-jrs-testimony-revives-claim-that-lyme-disease-was-created-as-a-bioweapon
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reposted by
John Gregory
Stephan Lewandowsky
10 months ago
My latest column just appeared in Science, entitled "Free speech, fact-checking, and the right to accurate informationâ. (
www.science.org/doi/10.1126/...
) I use one of President Trumpâs first executive orders to unpack the terrain between misinformation and claims to free speech 1/n
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Free speech, fact checking, and the right to accurate information
True to his campaign promises, on 20 January 2025, US President Donald Trump signed a broad range of Executive Orders, the scope of which ranged from renaming the Gulf of Mexico to âGulf of Americaâ t...
https://www.science.org/doi/10.1126/science.adv4632
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Related to this LA Times controversy: The paperâs owner recently spread a false claim about polio vaccines containing mercury â in defense of RFK Jr. NewsGuard has more in our latest Reality Check:
www.newsguardrealitycheck.com/p/hoaxsters-...
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10 months ago
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reposted by
John Gregory
The Real Truther
10 months ago
The book "Cause Unknown" was published by RFK, Jr.'s anti-vaccine group in 2022. It argues that COVID-19 vaccines caused sudden deaths. On the cover the tragic death of 12-year-old Braden Fahey is shown. There's just one problem. Braden Fahey was never vaccinated for COVID-19.
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An interview with LA Times owner Dr. Patrick Soon-Shiong spread polio vaccine misinfo after he falsely claimed that "old versions" of the jab contained mercury. In fact, no polio vaccine ever has. Read more from NewsGuard's Reality Check:
www.newsguardrealitycheck.com/i/156193358/...
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Hoaxsters Take Advantage of D.C. Plane Crash
PLUS: Right and Left Distort Trump Immigration Actions; Even Polio Vaccines Are Not Immune from False Claims
https://www.newsguardrealitycheck.com/i/156193358/going-viral-la-times-owner-sparks-a-false-claim-about-mercury-in-polio-vaccines
10 months ago
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In a 2021 interview, RFK Jr.'s provably false claims included: -COVID vax trials included 20 patients over 70 (actually 3,000) -AZT killed more people than AIDS -Ivermectin, hydroxychloroquine can treat COVID Read the fact-checked interview here:
www.newsguardtech.com/special-repo...
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âAn Absolute Dictatorâ: RFK Jr. on Dr. Anthony Fauci, âdeadlyâ vaccines, and other conspiracies â all annotated with fact checks by NewsGuard - NewsGuard
By Steven Brill, John Gregory, Anicka Slachta, Kendrick McDonald, and Gabby Deutch Mar. 1, 2021 In an interview with NewsGuard the day before Instagram removed his page on Feb. 10 for spreading danger...
https://www.newsguardtech.com/special-reports/newsguard-rfkjr-interview-covid-vaccine-fauci/
10 months ago
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NewsGuard found that even with Metaâs fact-checking initiatives in place, the vast majority of posts advancing foreign disinformation narratives spread without carrying any of the fact-checking labels used by Meta.
www.newsguardrealitycheck.com/p/special-re...
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Before Shutdown, Metaâs Fact-Checking Program Only Labeled 14 Percent of Russian, Chinese, and Iranian Disinformation Posts
Flaws in process could spill over into coming community notes system â with worse results
https://www.newsguardrealitycheck.com/p/special-report-before-shutdown-metas?utm_campaign=post&triedRedirect=true
10 months ago
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reposted by
John Gregory
NewsGuard
10 months ago
Only 14% of posts spreading Russian, Chinese, and Iranian disinformation narratives on Meta platforms were flagged as false under the fact-checking program that Meta is soon ending in the U.S, NewsGuard finds. Read the full report in Reality Check:
www.newsguardrealitycheck.com/p/special-re...
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Before Shutdown, Metaâs Fact-Checking Program Only Labeled 14 Percent of Russian, Chinese, and Iranian Disinformation Posts
Flaws in process could spill over into coming community notes system â with worse results
https://www.newsguardrealitycheck.com/p/special-report-before-shutdown-metas
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reposted by
John Gregory
NewsGuard
11 months ago
Conspiracy-oriented social media users are baselessly claiming that Gov. Gavin Newsom, State Farm insuranceâs CEO Jon Farney, and Hollywood elites conspired to ignite the California fires to cover up tunnels supposedly built beneath LA to traffic children. Read it in Reality Check:
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Wild Claims About L.A. Wildfires Get Millions of Views
NewsGuard has identified and debunked 18 false claims related to the wildfires
https://www.newsguardrealitycheck.com/i/154910460/even-more-bizarre-claim-million-views-the-wildfires-were-part-of-a-plot-by-california-officials-the-state-farm-insurance-company-and-the-democratic-elite-to-destroy-child-trafficking-tunnels-beneath-the-pacific-palisades
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11 months ago
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11 months ago
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Today in NewsGuard's Reality Check: All the false LA wildfire claims, Pro-Kremlin social media share doctored MSNBC clip, and what the heck is Fogvid-24?
www.newsguardrealitycheck.com/p/la-wildfir...
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LA Wildfires Spawn Bizarre Claims
Plus: Doctored MSNBC Video Shows Anchors Joyful Over Ukrainian Deaths; âFogvid-24â: A New Foggy Health Conspiracy
https://www.newsguardrealitycheck.com/p/la-wildfires-spawn-bizarre-claims
11 months ago
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