American College of Asthma, Allergy, & Immunology A shellfish allergy doesn’t pass with time shrimp Shellfish Allergy Shellfish tolerate mollusks shellfish shellfish Types of Food Allergy: Shellfish Allergy Shellfish shellfish Shellfish 7 million Americans who are allergic Shellfish shellfish Shellfish Types of Food Allergy: Shellfish Allergy Types of Food Allergy: Shellfish Allergy