Peter Hotez

Peter Hotez

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Vaccine scientist and pediatrician; leads efforts in tropical disease vaccines and fights anti-science misinformation.

Vaccines Must Evolve for Climate, Megacities, Anti‑Science Era
SocialMay 3, 2026

Vaccines Must Evolve for Climate, Megacities, Anti‑Science Era

May 14 I’m at @ucsc Univ California Santa Cruz delivering the annual Sinsheimer Distinguished Lecture in Biology on Global Vaccines in a time of Climate Change, Megacities, and Anti-science https://t.co/R55Ya6D6ys https://t.co/wc3KmeEFeO

By Peter Hotez
Low‑cost Vaccines Delivered, Autism Genes
SocialApr 28, 2026

Low‑cost Vaccines Delivered, Autism Genes

What a dishonest & ignorant thing to write, I develop low-cost vaccines for global health, 100 million doses administered, without patenting the technology. Also as I’ve detailed we’ve learned a lot about the genetic basis of autism, >100 autism genes,...

By Peter Hotez
Swap Screen Binge for Books, Reclaim Critical Thinking
SocialApr 28, 2026

Swap Screen Binge for Books, Reclaim Critical Thinking

Someone needs to reduce their screen time, reactivate their public library card, and learn to read a book again. Hopefully gain back some of the critical thinking skills he lost watching Fox News and conspiracy podcasts

By Peter Hotez
Vaccination and Boosters Are Key to Preventing Long COVID
SocialApr 27, 2026

Vaccination and Boosters Are Key to Preventing Long COVID

The best way to prevent long Covid is through vaccination and annual updates or boosters https://t.co/m56zh2o2ZY

By Peter Hotez
Pandemic Caused by Zoonosis, Not Conspiratorial Architects
SocialApr 26, 2026

Pandemic Caused by Zoonosis, Not Conspiratorial Architects

Nonsense. There were no “architects of the last pandemic,” predictions rely on scientific evidence of zoonotic spillover due to climate change/deforestation. But pushing anti-science propaganda or wellness products depends on demonizing real scientists, it relies on their end-user’s gullibility

By Peter Hotez
Debunking Pseudoscience Hurts MAHA's Profit From Overpriced Treatments
SocialApr 26, 2026

Debunking Pseudoscience Hurts MAHA's Profit From Overpriced Treatments

So MAHA is not happy that by debunking their pseudoscience, I hurt the sales of their ivermectin, hydroxychloroquine, fenbendazole, which they purchase in bulk, repackage, and sell to you after they jack up the price or pair it with an...

By Peter Hotez
Heat Spike Boosts West Nile Risk—Cover Up, Use DEET
SocialApr 25, 2026

Heat Spike Boosts West Nile Risk—Cover Up, Use DEET

Neighbors on my AM walk in HoustonTX ask, “Dr. Hotez it’s going up to the 90s this weekend why cover head to toe?” ANS: West Nile Virus. WNV season goes May to Nov/Dec with climate change, risk of encephalitis is...

By Peter Hotez
Exposing Antivaccine Activism: Immunization Partnership’s Houston Talk
SocialApr 25, 2026

Exposing Antivaccine Activism: Immunization Partnership’s Houston Talk

Many thanks Comedy Injection for hosting my remarks this evening in HoustonTX with @immunize_usa The Immunization Partnership promoting vaccine advocacy, detailing the dark forces of antivaccine activism in U.S. https://t.co/YbUvv0pOuS

By Peter Hotez
Houston Friday Night: Comedy, Immunization Partnership Celebrate Vaccines
SocialApr 24, 2026

Houston Friday Night: Comedy, Immunization Partnership Celebrate Vaccines

Friday night in HoustonTX I will be there along with The Immunization Partnership and COMEDY INJECTION, VACCINES: 9th Wonder of the World https://t.co/GPSrrB3poV https://t.co/THhFN31ebn

By Peter Hotez
Epidemiology Insights: Tackling Pandemic Threats with Prof Rimoin
SocialApr 23, 2026

Epidemiology Insights: Tackling Pandemic Threats with Prof Rimoin

Great to host my extraordinary colleague/friend Prof Anne Rimoin @arimoin @UCLAFSPH UCLA Fielding School of Public Health here at @TXMedCenter @BCM_TropMed @TexasChildrens discussing her important work tomorrow on epidemiological approaches to pandemic threats and public health https://t.co/mKRffWimMv

By Peter Hotez
RFK Jr. Deflects Measles
SocialApr 23, 2026

RFK Jr. Deflects Measles

1/n Let’s recount his public statements made in 2025 when he was HHS Scty during our awful measles epidemic in Texas and how he undermined public confidence in public health, as 99 kids/adults hospitalized and 2 kids needlessly died....

By Peter Hotez
CDC Suppresses COVID Vaccine Efficacy Report, Raises Transparency Concerns
SocialApr 23, 2026

CDC Suppresses COVID Vaccine Efficacy Report, Raises Transparency Concerns

There’s no more science at DHHS, just fake MAHA ideologies to benefit the corrupt health wellness industry. A modern version of Lysenko Communism. It’s now up to a patchwork of state govts/NGOs. With no crisis we’ll survive, but if a...

By Peter Hotez
Deadly Epidemics Forged Texas and America's Destiny
SocialApr 20, 2026

Deadly Epidemics Forged Texas and America's Destiny

For my new book @MITPress “Texas Fever Frontiers: How Deadly Epidemics Shaped the Lone Star State & America’s Destiny,” I’m doing a deep dive into our extraordinary history, from Paleo-Indians, to Cabeza de Vaca, Franciscan Missions, Austin Colony, Republic, Confederate...

By Peter Hotez
MAHA Pushes Revival of Discredited Snake‑oil Cures
SocialApr 20, 2026

MAHA Pushes Revival of Discredited Snake‑oil Cures

In my @BakerInstitute article I explain how MAHA seeks to restore the fake medical cures and snake oils, which the Flexner Report thankfully shut down in 1910, homeopathy, ecclectism, botanicals, so they could sell their nostrums and make money, they...

By Peter Hotez
U.S. Researchers Face Cuts as DHHS Fuels Pseudoscience
SocialApr 19, 2026

U.S. Researchers Face Cuts as DHHS Fuels Pseudoscience

1/n For U.S. medical researchers, shrinking labs and bare budgets are the new reality. As I point out: antivaccine is just a foot in the door, DHHS hopes to take down U.S. medical science to prop up wellness influencers &...

By Peter Hotez
Pro‑vaccine CDC
SocialApr 18, 2026

Pro‑vaccine CDC

That selecting a physician who understands the importance of vaccines and immunizations is treated as an act of “MAHA betrayal,” likely reflects its payola from corrupt the wellness influencers. If indeed this was the President’s decision, then he did the...

By Peter Hotez
New Rogan‑Spotify Alliance Fuels Anti‑vax Disinformation, Endangering Children
SocialApr 17, 2026

New Rogan‑Spotify Alliance Fuels Anti‑vax Disinformation, Endangering Children

I’m not happy about this new toxic alliance between Children’s Health Defense and Rogan-Spotify. Both are powerful anti-science disinformation organizations, and they don’t care about you or your family. We already had >200,000 needless American deaths from pushing ivermectin and...

By Peter Hotez
Celebrating Science: Discussing #ScienceUnderSiege with Neil Tyson
SocialApr 17, 2026

Celebrating Science: Discussing #ScienceUnderSiege with Neil Tyson

After so many dark months of countering RFK Jr and the ACIP/HHS/Children’s Health Offense pseudoscience disinformation campaign it was a real joy to spend an evening with @neiltyson discuss our book #ScienceUnderSiege @MichaelEMann @PeterHotez https://t.co/49e3hC7bSz

By Peter Hotez
Vaccines Vanishing Threatens Global Health Catastrophe
SocialApr 16, 2026

Vaccines Vanishing Threatens Global Health Catastrophe

The Horrors That Could Lie Ahead if Vaccines Vanish — ⁦@propublica⁩ good article on the work of ⁦@NathanLo3579⁩ ⁦@Stanford⁩ my former mentee and amazing colleague https://t.co/n9oUgkvOZ7

By Peter Hotez
Vaccines Don’t Cause Autism; Genetics Prove It
SocialApr 15, 2026

Vaccines Don’t Cause Autism; Genetics Prove It

Writing garbage in CAPS doesn’t make it true. Not only do we have overwhelming scientific evidence that vaccines don’t cause autism, there’s also the complete lack of plausibility based on what we’ve learned about the >100 autism genes and how...

By Peter Hotez
HHS Ignores Proven Environmental Triggers for Autism
SocialApr 15, 2026

HHS Ignores Proven Environmental Triggers for Autism

Here’s my statement from @BakerInstitute @RiceUniversity @RiceUNews on why this was always a nonstarter, meanwhile HHS refuses to investigate the few actual know environmental exposures that do interact with autism genes https://t.co/pxLaDLInlf

By Peter Hotez
Exposing Antivaccine Rhetoric Masquerading as Real Science
SocialApr 15, 2026

Exposing Antivaccine Rhetoric Masquerading as Real Science

1/n Here’s a thread on why this is nonsense. I think it’s important to debunk bc increasingly the antivaccine activists and their rhetoric are trying to sound more like real science even though it’s fake.

By Peter Hotez
Patent‑Free COVID Vaccine Reaches 100 Million at $2‑3
SocialApr 15, 2026

Patent‑Free COVID Vaccine Reaches 100 Million at $2‑3

Except the opposite, I make low cost vaccines that actually bypass big pharma, our patent-free COVID vaccine reached 100 million people at $2-3 per dose. It’s sad to see so many give up their critical thinking skills for conspiracy sites,...

By Peter Hotez
Low‑cost Vaccines Bypass Big Pharma, Influencers Profit
SocialApr 14, 2026

Low‑cost Vaccines Bypass Big Pharma, Influencers Profit

No, the opposite. I develop low cost vaccines that bypass big pharma. The only shills are those connected to the corrupt wellness influencer industry, which buys whatever it can in bulk cheap so they can jack up the price with...

By Peter Hotez
Anti‑parasitic Drugs Aren’t Cancer Cures, Just Profit Scheme
SocialApr 14, 2026

Anti‑parasitic Drugs Aren’t Cancer Cures, Just Profit Scheme

The congresswoman is wrong. These anti-parasitic drugs do not treat cancer, they’re pedaled by wellness influencers because they are cheap to purchase in bulk, re-package and sell with expensive telehealth visits. It’s for their expensive homes and yachts. Most Americans...

By Peter Hotez
Low‑Cost Vaccine Creator Outshines Rogan’s Diet Critique
SocialApr 13, 2026

Low‑Cost Vaccine Creator Outshines Rogan’s Diet Critique

I make low cost vaccines for global health, including a Covid vaccine technology for $2-3 per dose reached 100 million people, bypassed big pharma, didn’t make money, and all these Rogan types can talk about is a joke I made...

By Peter Hotez
Great Barrington Declaration: Baseless Propaganda Fueled by Oil Interests
SocialApr 12, 2026

Great Barrington Declaration: Baseless Propaganda Fueled by Oil Interests

The Great Barrington Declaration had zero basis in science and medicine. It was a disgusting (and failed) piece of petrostate propaganda to prevent declines in oil and gas prices, along with fake herd immunity claims and other dangerous pseudoscience pushed...

By Peter Hotez
Combating Rising Anti‑Vaccine Activism Through Science Advocacy
SocialApr 11, 2026

Combating Rising Anti‑Vaccine Activism Through Science Advocacy

Many thanks ⁦@uiowa⁩ for hosting my lectures this week, on our vaccine development program and the dangers of accelerating antivaccine activism in America, also the history of American anti-science movements and latest book #ScienceUnderSiege with @MichaelEMann @PeterHotez https://t.co/3r0XH08iMu

By Peter Hotez
Reassembling ACIP Is Wasteful Under Anti‑vaccine HHS
SocialApr 10, 2026

Reassembling ACIP Is Wasteful Under Anti‑vaccine HHS

Look, reconvening ACIP in any form when you have incurious antivaccine activists/ideologues in charge at HHS = waste of U.S. taxpayer dollars. Until there are changes at HHS, there’s no point. For RFK Jr ACIP is meant to legitimize dangerous...

By Peter Hotez
Scientists Advance mRNA Immunotherapies for Cancer, Funding Lags
SocialApr 9, 2026

Scientists Advance mRNA Immunotherapies for Cancer, Funding Lags

Now in addition to our @TexasChildrens @BCM_TropMed protein vaccines for global health, our scientists are refining the mRNA technology for new immunotherapies for pancreatic cancer and triple negative breast cancer, if only the grant support would hold… https://t.co/NEgq6DX4qz

By Peter Hotez
Next-Gen Yellow Fever Vaccine Shows Promise in Mid
SocialApr 9, 2026

Next-Gen Yellow Fever Vaccine Shows Promise in Mid

My comments and interview with @Medscape Next-Gen Yellow Fever Vaccine Hits the Mark in Mid-Stage Trial https://t.co/kFfGH4c5gt

By Peter Hotez
HHS Allegedly Fuels Wellness Influencer Pseudoscience Against Vaccines
SocialApr 8, 2026

HHS Allegedly Fuels Wellness Influencer Pseudoscience Against Vaccines

ANS self evident, Dept HHS had built a pseudoscience parallel universe for the highly corrupt wellness influencer industry. Attacks on vaccines to prop up fake supplements, ivermectin just the beginning, the peptides are next level, but there’s more coming as...

By Peter Hotez
Addressing Climate Health, Vaccines, and Antivaccine Threats at Darwin Day
SocialApr 7, 2026

Addressing Climate Health, Vaccines, and Antivaccine Threats at Darwin Day

I look forward to giving talks and lectures this coming weekend @uiowa for their Darwin Day celebrations, speaking on climate health, global vaccines, and the dangers of rising antivaccine activism https://t.co/qjv3pnN3oB https://t.co/ISy1vMm9hG

By Peter Hotez
Anti‑vaccine Activism Cost 200‑300k Lives, Says Author
SocialApr 6, 2026

Anti‑vaccine Activism Cost 200‑300k Lives, Says Author

Yes, among people who refused Covid vaccines during the delta and BA.1 omicron waves in 2021-22, that resulted in 200,000-300,000 needless deaths. They were victims of antivaccine activism driven by politics and the corrupt wellness/influencer industry pushing ivermectin, which did...

By Peter Hotez
Low‑Cost Covid Vaccine Tech Delivers 100M Doses, Bypassing Big
SocialApr 6, 2026

Low‑Cost Covid Vaccine Tech Delivers 100M Doses, Bypassing Big

So to clarify, Baylor Coll Med licensed our low-cost protein Covid vaccine technology to four entities: BioE (India), BioFarma (Indonesia), Incepta (Bangladesh), ImmunityBio (U.S./S. Africa). The first two produced and delivered 100 million vaccine doses as Corbevax for India and...

By Peter Hotez
Genetic Testing Confirms Autism, Not Vaccine Injury
SocialApr 5, 2026

Genetic Testing Confirms Autism, Not Vaccine Injury

My daughter with autism and intellectual disabilities was not “vax injured,” a made up term. In fact through Baylor Genetics her autism gene was identified and sequenced and similar to the >100 autism genes published in @CellCellPress https://t.co/93tE96LcmB

By Peter Hotez
Media Vilifies Dissenters to Boost Ratings and Agenda
SocialApr 4, 2026

Media Vilifies Dissenters to Boost Ratings and Agenda

Actually I was going on Fox News often early in the pandemic but I refused to go along with the fake news about hydroxychloroquine coming out of the White House, and the invitations from the nighttime programming stopped. Midday anchors...

By Peter Hotez
Read Books, Not Conspiracies, to Support Low‑cost Vaccines
SocialApr 3, 2026

Read Books, Not Conspiracies, to Support Low‑cost Vaccines

Ummm, maybe on the day you decide to visit a library and read a book instead of relying exclusively on fake conspiracy sites to spoon feed you disinformation for their political or financial advantage. So likely never. I develop low...

By Peter Hotez
HHS Undermines U.S. Biotech, Promotes Pseudoscience
SocialApr 3, 2026

HHS Undermines U.S. Biotech, Promotes Pseudoscience

Hasn’t HHS already done enough damage to U.S. biomedical science and biotech? Why kill one of the few things that still works in America? ANS: it’s part of a darker dystopian MAHA vision to elevate pseudoscience in its place. My...

By Peter Hotez
Epidemics Shaped Texas History From Cabeza De Vaca
SocialMar 31, 2026

Epidemics Shaped Texas History From Cabeza De Vaca

ANS: Not sure I get your point? Much of my scholarship is on the history of science and medicine, and I’ve a passion for the history of Texas. Now I’m writing a new book with @mitpress on how epidemics have...

By Peter Hotez
19th‑Century American Science Shaped Texas' Early History
SocialMar 29, 2026

19th‑Century American Science Shaped Texas' Early History

For my new book on the history epidemics in Texas with @mitpress I’ve been doing a deep dive on the history of science in America in the 19th century, our nation has an extraordinary story of science in the age...

By Peter Hotez
A Fresh Path for Young Physicians and Med Students
SocialMar 27, 2026

A Fresh Path for Young Physicians and Med Students

Sound and thoughtful advice from @DGlaucomflecken in my recent article on @BakerInstitute website (our policy think thank @RiceUniversity) I’ve proposed an alternative or parallel for young physicians and med students, it’s a bit out there and still half-baked https://t.co/0NN1omZTWk

By Peter Hotez
IAH Airport Chaos Highlights Leadership Failure
SocialMar 26, 2026

IAH Airport Chaos Highlights Leadership Failure

What’s going on at IAH Bush airport this week = a failure of leadership/governance at multiple levels. In a week when our city of HoustonTX should be at its best, CERAweek, NCAA basketball, opening day MLB, instead a national embarrassment....

By Peter Hotez
Low‑cost, Patent‑free Vaccines Have Helped 100 Million
SocialMar 26, 2026

Low‑cost, Patent‑free Vaccines Have Helped 100 Million

A “kazarian?” Is that like a Kardashian? What planet are these X trolls from? I develop low-cost often patent-free vaccines for global health and to help humanity. So far 100 million have benefited from access to our vaccine technologies developed...

By Peter Hotez
Measles Outbreak From Detention Center Spreads to Texas
SocialMar 26, 2026

Measles Outbreak From Detention Center Spreads to Texas

Measles in federal detention facility reaches the Texas public. My comments with @alexnguyen2311 ⁦@TexasTribune⁩ https://t.co/zaqrcEa4rC

By Peter Hotez
Stuck at IAH: Denied Boarding, No Escape
SocialMar 25, 2026

Stuck at IAH: Denied Boarding, No Escape

Tried to get on my flight but denied again, IAH in Houston lines back to where they are. We are the roach motel, you can get in but you can’t get out https://t.co/sHZK6DcM43

By Peter Hotez
Low‑cost Patent‑free Vaccines Challenge Big Pharma, Expose Uninformed Freedom Rhetoric
SocialMar 22, 2026

Low‑cost Patent‑free Vaccines Challenge Big Pharma, Expose Uninformed Freedom Rhetoric

But…I develop low-cost often patent free vaccines that bypass big pharma and provide access to people who can’t afford them. In the past people who espoused freedom were learned and read books. Now they’re just lazy mindless dummies who think...

By Peter Hotez
Low‑cost Vaccines Saved Half‑million Lives, Ignored for Joke
SocialMar 20, 2026

Low‑cost Vaccines Saved Half‑million Lives, Ignored for Joke

Seriously? I make low-cost vaccines that reached 100 million people, bypassed big pharma, didn’t make a dime, and saved 300,000-500,000 lives, and they focus on a junk food joke I made 6 years ago, this Rogan crowd, a bunch of...

By Peter Hotez
Rebuilding Vaccine Trust After Ideologically Flawed ACIP Recommendations
SocialMar 20, 2026

Rebuilding Vaccine Trust After Ideologically Flawed ACIP Recommendations

Good news for America’s children. ACIP was devoid of vaccine expertise and made harmful and ideologically driven recommendations that went against pediatric medical science. Hopefully we can rebuild pubic confidence in vaccines despite their efforts to undermine it, but it...

By Peter Hotez