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New Study Links Gelatin-Containing Vaccines to Rising Alpha-Gal Syndrome Cases
Health News · Research
(Boca Raton, FL) — Doctors from The Wellness Company announced this week that they have completed a new study examining the role vaccines may play in the growing prevalence of alpha-gal syndrome (AGS), a tick-linked allergy to red meat and other mammal-derived products. The manuscript has been submitted for peer review.
The study, one of the most comprehensive reviews to date of published literature and publicly available sources on the subject, was authored by Dr. Peter McCullough, Chief Scientific Officer for The Wellness Company, along with Nicolas Hulscher, MPH, Kelly Victory, MD, Drew Pinsky, MD, James Thorp, MD, Peter Gillooly, MSc, and Harvey Risch, MD, PhD.
"Gelatin-containing vaccines represent a near-universal source of parenteral alpha-gal-bearing material and may contribute to alpha-gal syndrome through two non-exclusive pathways: direct sensitization or immune priming followed by tick-bite boosting. Their ability to elicit reactions in alpha-gal-sensitized patients is established and warrants caution in individuals with known AGS."
— Dr. Peter McCullough, Chief Scientific Officer, The Wellness CompanyWhat Is Alpha-Gal Syndrome?
Alpha-gal syndrome is an allergy to a carbohydrate found in non-primate mammals called alpha-gal. Tick bites are the best-supported and most extensively studied cause, though the human evidence remains observational. The most potent dietary sources include red meats like beef, pork, and lamb, along with organ meats and mammalian fats like lard. Because it originates from mammals, alpha-gal is also present in dairy products — milk, butter, cheese, and whey — and in gelatin, which carries the sugar into gummy candies, marshmallows, medication capsules, and, notably, several vaccines.
Common Symptoms
- Hives, itching, or swelling
- Nausea, vomiting, or stomach pain
- Shortness of breath, dizziness, or fainting in severe reactions
- Symptoms typically appear 2–6 hours after eating red meat or dairy, or after exposure to gelatin-coated medications
People with AGS might not react to every product containing alpha-gal, and reactions can vary in severity from one exposure to the next — even to the same product. It's suspected that over 450,000 Americans are currently living with the condition, and reactions can be severe or, in rare cases, life-threatening.
How Vaccines May Introduce Alpha-Gal Before the First Tick Bite
Because gelatin used in vaccine manufacturing is bovine- or porcine-derived, it carries alpha-gal along with it. According to the study, more than 90% of U.S. children are exposed to alpha-gal-bearing gelatin through routine childhood immunization, receiving roughly 54 mg cumulatively before school entry — delivered by a parenteral (injected) route that bypasses the oral tolerance the body normally builds toward foods, and that can instead promote allergic sensitization. In other words, universal exposure to alpha-gal through both diet and vaccination happens well before most people ever experience a first tick bite. As Dr. McCullough put it, gelatin-containing vaccines are "a near-universal source of parenteral alpha-gal-bearing material," and their ability to trigger reactions in already-sensitized patients is well established.
Two Possible Pathways Linking Vaccines to AGS
The researchers propose two non-exclusive pathways by which vaccines containing alpha-gal material may contribute to AGS — and neither exposure alone is thought to be sufficient in most people.
Direct Sensitization
The simpler hypothesis: vaccine gelatin contributes to alpha-gal sensitization on its own, without requiring a tick bite at all.
Prime-and-Boost
The more conservative hypothesis: parenteral gelatin exposure primes the immune system, and a later tick bite — which delivers alpha-gal on a highly adjuvanted salivary carrier — provides the boost needed to trigger clinical AGS.
Why This Matters Right Now
"This study is perfectly timed," said Peter Gillooly, CEO of The Wellness Company. "Secretary of Health and Human Services Robert F. Kennedy, Jr. recently announced a new initiative by the Trump administration to take action against tick-borne illnesses — including alpha-gal. We hope that Secretary Kennedy further investigates the link between alpha-gal and certain vaccines." With suspected AGS cases rising roughly 100-fold over the past decade and alpha-gal now detected in 24% of adults in high-burden U.S. states, the study's authors argue the immunologic consequences of parenteral alpha-gal exposure deserve serious attention.
The Bottom Line
"Given the very rapid rise in cases, this syndrome is worthy of urgent large-scale epidemiologic investigation, together with interventional studies exploring methods of amelioration and reversal of antigen sensitization and of the clinical syndrome of alpha-gal syndrome," concluded Dr. McCullough. Until more is known, awareness is the first line of defense — recognizing the symptoms of AGS, understanding where alpha-gal hides in everyday products, and taking tick-bite prevention seriously, especially during peak tick season.
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Media Inquiries
Contact Chris Barron at cbarron@rightturnstrategiesdc.com to arrange interviews with Dr. Peter McCullough, Dr. Kelly Victory, Dr. James Thorp, Dr. Drew Pinsky, Dr. Harvey Risch, Nicolas Hulscher, or Peter Gillooly. The full study is available here.
This article discusses findings from a manuscript that has been submitted for peer review and has not yet completed that process. It is provided for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition, vaccination, or allergy.
