Animal model: • MBP, EDN, ECP, EPO kill B. pahangi and B. malayi MF in vitro • IL-4Rα KO mice B. malayi MF iv: eosinophilia and worm clearance • Treated with anti-CCR3 antibody: susceptible. The gene discussed is RNASE3; the disease is Increased total eosinophil count.