Eli5 : how comes people are allergic to fish & nuts but you rarely hear about people allergic to chicken or pork?

Question

Eli5 : how comes people are allergic to fish & nuts but you rarely hear about people allergic to chicken or pork?

In: 4

Answer 1

No real reason. Pork and chicken allergies are simply less common in humans, just like how being 8 foot tall is less common.