IGHE and infection: Interestingly, the serum from the patient suffering of the eosinophilic granuloma (CC3) showed immunoreactivity at the Immunoblotting assay, at both IgE and IgG against the three most frequent antigens indicative of the infection by A. pegreffii (i.e. Ani s 1-like, Ani s 7-like and Ani s 13-like).