IGHE and Increased total eosinophil count: Eosinophilia was present in 24 children; 12 had positive serology/fecal microscopy and elevated IgE levels, 5 had normal IgE levels with positive serology, 5 had elevated IgE levels with negative serology and only 2 had isolated eosinophilia (but had received pre-departure albendazole therapy).