Why am I allergic to shrimp but not crab?

Related questions

1. Is lobster a seafood?
2. Is eel a shellfish?
3. How bad is shellfish for you?
4. Why can't I eat shellfish?
5. Can someone allergic to shellfish eat imitation crab?
6. Is cuttlefish a fish?
7. Is a squid a shellfish?
8. Is shrimp a shellfish?
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Tags

1. #causes
2. #lobster
3. #problem
4. #number
5. #group
6. #crustacean
7. #people
8. #allergies
9. #affect
10. #clams
11. #adulthood
12. #frequently
13. #greatest
14. #within
15. #develop
16. #children
17. #family
18. #mollusks
19. #mussels
20. #allergic
21. #scallops
22. #oysters
23. #shrimp
24. #shellfish
25. #reactions