Key Takeaways
- Jeremy Webb, a 16‑year‑old from the Central Coast, died in 2026 from anaphylaxis caused by Mammalian Meat Allergy (MMA), initially misdiagnosed as asthma.
- MMA, also known as Alpha‑Gal Syndrome, is triggered by bites from the Eastern Paralysis tick and leads to allergic reactions to mammalian meat, dairy, gelatin and other mammal‑derived products.
- Immunologist Professor Sheryl Van Nunen identified the tick‑allergy link in 2007 and confirmed Jeremy’s sensitization through post‑mortem blood testing.
- The Webb family’s experience highlights widespread lack of awareness among patients, families, GPs, paramedics and hospital staff regarding the deadly potential of MMA.
- CSIRO research shows over 5,000 Australians live with MMA, with case numbers rising ~22 % per year since 2020, marking it a growing public‑health concern.
- Advocates call for a national awareness campaign comparable to “Slip, Slop, Slap” to educate the public and health‑care providers on tick bite prevention and MMA recognition.
Jeremy Webb’s Tragic Night
At age 16, Jeremy Webb went on a Central Coast camping trip with friends, ate sausages and marshmallows, then suddenly felt breathless and nauseous. He ran for help but collapsed; his friends called an ambulance and attempted resuscitation. He was pronounced dead later that night at Gosford Hospital. Initially, doctors told his parents the cause was a fatal asthma attack, a condition Jeremy had endured since childhood. His mother, Myfanwy, found the explanation unsatisfactory, noting that a healthy teenager does not simply “drop dead” without a clear reason.
Coroner’s Findings and the MMA Diagnosis
In February 2026, the NSW Deputy Coroner overturned the asthma verdict, concluding Jeremy’s death resulted from anaphylaxis due to Mammalian Meat Allergy (MMA). The coroner’s report emphasized that the allergy, triggered by tick bites, causes severe reactions to mammalian meat, pork, dairy, gelatin and any product derived from mammals. This ruling was pivotal because it redirected attention from respiratory disease to an under‑recognized food‑allergy syndrome.
The Discovery of the Tick‑Allergy Link
Professor Sheryl Van Nunen, an immunologist and allergy physician, first linked MMA to the Eastern Paralysis tick in 2007 after noticing a cluster of night‑time allergic reactions among patients on Sydney’s northern beaches. By testing the contents of patients’ last meals, she detected skin reactions to mammalian meat and discovered a common factor: recent tick bites. Van Nunen hypothesized that the tick’s saliva introduced the carbohydrate alpha‑galactose (alpha‑gal) into the human bloodstream, prompting the immune system to produce antibodies that later react to mammalian foods.
Jeremy’s Early Sensitization and Family Observations
Jeremy’s family moved to a Central Coast property when he was five; the area’s bush and beach provided a natural playground. Myfanwy first noticed tick bites on Jeremy around age seven. By ten, he reported feeling “queasy” after eating red meat or pork, and even cooking fumes made him ill. Despite avoiding meat, Jeremy continued to experience swollen eyes and nocturnal breathing difficulties, which his parents attributed to his asthma. His father, Jonathan, later suspected that dairy products—especially ice‑cream, a favorite—were triggering the nighttime episodes.
Medical Missed Opportunities
Prior to his death, Jeremy was admitted twice to Gosford Hospital with symptoms consistent with anaphylaxis. On both occasions, clinicians dismissed the possibility of MMA, attributing the events to asthma and discharging him without further investigation or an adrenaline auto‑injector plan. Jonathan Webb believes these visits were missed chances to prescribe an EpiPen and refer Jeremy to an allergy specialist. He noted that local paramedics, GPs and hospital staff lacked awareness of MMA, a gap that contributed to the tragedy.
The Biological Mechanism of MMA
MMA stems from a reaction to alpha‑galactose, a carbohydrate present in the cells of all mammals except humans. The Eastern Paralysis tick’s saliva contains alpha‑gal; when the tick feeds and is disturbed, it injects this saliva into the host. The immune system perceives alpha‑gal as foreign, producing IgE antibodies. Subsequent exposure to mammalian meat, dairy, gelatin or other mammal‑derived products triggers these antibodies, releasing histamine and causing symptoms ranging from hives to life‑threatening anaphylaxis. Van Nunen confirmed Jeremy’s sensitization by detecting anti‑alpha‑gal antibodies in blood samples retained from his autopsy.
Epidemiology and Rising Incidence
A forthcoming CSIRO report, led by Dr. Alex Gofton, provides the first nationwide mapping of MMA in Australia. The study estimates that more than 5,000 people live with the condition, with hotspots concentrated along the eastern seaboard, particularly Sydney’s northern beaches and the Central Coast. Alarmingly, case numbers have risen approximately 22 % per year since 2020, signalling a significant and growing health burden. Dr. Gofton described the trend as “a really concerning trend” that warrants urgent public‑health action.
Calls for Awareness and Prevention
Professor Van Nunen has long advocated for a national awareness campaign akin to the “Slip, Slop, Slap” sun‑safety initiative, aiming to educate the public about tick bite risks and the potential development of MMA. She urges governments to produce clear messaging on tick avoidance, proper removal techniques, and early recognition of allergic symptoms. The Webb family echoes this plea, hoping that heightened awareness will prevent further deaths. Jonathan Webb stated unequivocally, “If we’d known, my son would still be here today. I’m 100 % sure of that,” underscoring the belief that timely knowledge and intervention could have saved Jeremy’s life.
Conclusion
Jeremy Webb’s story illustrates how a relatively obscure tick‑induced allergy can masquerade as common respiratory conditions, leading to fatal outcomes when unrecognized. The convergence of personal tragedy, scientific discovery, and rising epidemiological data highlights the pressing need for improved education, diagnostic vigilance, and preventive measures across both the community and medical professions. By turning this loss into a catalyst for change, stakeholders hope to spare other families from experiencing a similar, preventable loss.

