CO31 | Immune system profiling in FVIII-treated and emicizumab-treated pediatric HA patients: A. Cottonaro1, S. Akula1, B. Pollio2, I. Ricca2, T. Martini2, J. Agnelli Giacchello3, P. Sciancalepore3, R. Santi3, A. Follenzi1,3, S. Merlin1 | 1Università del Piemonte Orientale, Health Sciences, Novara; 2A.O. Città della Salute e della Scienza, SIMT Immunohematology and Transfusion Medicine Service, Diagnostic Department, Torino; 3Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo, Alessandria, Italy. Bleeding Thromb Vasc Biol [Internet]. 2025 Oct. 22 [cited 2026 Apr. 29];4(s1). Available from: https://www.btvb.org/btvb/article/view/238