Solve the following equation. 
Definitions:
Hypocalcemia
A medical condition characterized by low levels of calcium in the blood.
Immune Response
The reaction of the immune system against foreign substances or pathogens, including both innate and adaptive immune mechanisms.
Antigen
Any substance that the immune system can recognize and potentially trigger an immune response, often a protein on the surface of pathogens, allergens, or cancer cells.
Thalassemia
A genetic blood disorder characterized by less oxygen-carrying protein in red blood cells.
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