AU: Australia HC: Hemocyanin MLC: myosin light chain-2 PA: Penaeus aztecus/Brown shrimp PM: Penaeus monodon/Black tiger shrimp PV: Penaeus vannamei/Vannamei shrimp SCP: sarcoplasmic calcium-binding protein TM: Tropomyosin US: United States of America To the Editor, Shellfish allergy, particularly to shrimp, is a significant cause of food-induced anaphylaxis, affecting about 3% of adults and 1.3% of children worldwide; and up to 7.7% in the Asia Pacific region [1].