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Alternate routes of exposure.
| Source | Route | IgE response | Syndrome |
|---|---|---|---|
| Tick bites | Skin | IgE to alpha-gal | Delayed anaphylaxis to red meat |
| Peanuts (e.g., peanut butter) | Skin | IgE to Ara h 1 and Ara h 2 | Immediate reactions to oral peanut |
| Wheat in soap | Skin of face | IgE to wheat | Wheat dependent exercise induced anaphylaxis |
