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Boy's 22 Deadly Allergies Transformed by US Clinic
25 May
Summary
- Yann Jennings has 22 life-threatening allergies.
- A pioneering US clinic offers hope through an allergy elimination program.
- The treatment involves microdosing food proteins, aiming for a cure in 18 months.

A 10-year-old boy, Yann Jennings, has been living with 22 potentially life-threatening allergies, ranging from common foods to airborne particles and even animal dander. His condition previously meant that even brief contact could trigger anaphylactic shock, severely limiting his daily life and requiring constant vigilance from his parents.
His mother, Katie Hutt, quit her career to care for Yann, who experienced severe reactions from a young age, including requiring emergency EpiPens. The family's research led them to discover a not-for-profit clinic in California offering a pioneering allergy elimination program.
Since August 2024, Yann has undergone treatment involving microdosing various food proteins, both at home and during regular visits to the clinic in America. This intensive, costly treatment, supported by a GoFundMe and their own finances, is projected to make Yann allergy-free within 18 months.
This development comes as UK schools are mandated to stock life-saving allergy pens, a measure influenced by campaigners following tragic incidents. However, the legislation does not yet cover Wales, where Yann resides. Katie advocates for mandatory allergy education in all schools and the catering industry.
For the first time in his life, Yann's family is experiencing a reduction in fear, looking forward to a future where he can attend school and live without the constant threat of anaphylaxis.