Table 5:

Rates of clinical cross-reactivity among food allergens36

Food groupRate of cross-reactivity
Shellfish (e.g., shrimp, lobster)Other shellfish 75%
Finned fish (e.g., tuna, salmon, cod)Other finned fish 50%
Tree nuts (e.g., cashews, walnuts, pecans)Other tree nuts 37% (higher for walnut/pecan and cashew/pistachio)
PeanutOther legumes (peas, beans) 5%
Grains (e.g., wheat, barley, oats)Other grains 20%
Cow’s milkGoat’s milk 90%