11/04/2025
🚨 A new mRNA vaccine can stop allergies!
Experts say the vaccine can protect you from reactions to both food and pollen. Here's the science behind it.
Researchers at the University of Pennsylvania and Cincinnati Children’s Hospital have developed a vaccine that stops allergic reactions by teaching the immune system to respond calmly to allergens.
Instead of triggering inflammation, the modified mRNA instructs cells to produce harmless versions of allergens, helping the body build tolerance. This builds on the same mRNA technology used in COVID-19 vaccines, suggesting a versatile future for mRNA beyond infectious diseases.
The potential impact is broad: the platform can be adapted for everything from pollen and pet dander to severe food allergies. Unlike current allergy shots that require years of treatment, this approach may offer long-term protection with fewer doses. While still in early stages, the findings mark an important step toward developing vaccines for chronic allergic conditions, including asthma and even celiac disease.
Human trials are the next milestone, and if successful, this innovation could allow people to safely enjoy foods and environments that once posed serious risks.
Source: Journal of Clinical Investigation, University of Pennsylvania and Cincinnati Children’s Hospital, September 26, 2025.
