During the study period, P11 reintroduced HE based on low sIgE levels to ovomucoid (gal d1 < 0.10 kU/L) and decreasing sIgE to egg white (0.30 kU/L to 0.15 kU/L) and to ovalbumin (gal d2 0.31 kU/L to 0.11 kU/L). The gene discussed is GAL; the disease is hereditary elliptocytosis.