Blood examination showed eosinophilia (3450/μL; normal, <500 /mm3) and abnormally elevated levels of nonspecific IgE (113,000 IU/mL; normal, <170 IU/mL) and Th-2 chemokine (TARC) (27,480 pg/mL; normal, <450 pg/mL). The gene discussed is IGHE; the disease is Increased total eosinophil count.