Interleukin-4 activated macrophages mediate immunity to filarial helminth infection by sustaining CCR3-dependent eosinophilia by Turner, J, Pionnier, N, Furlong-Silva, J, Sjoberg, H, Cross, S, Halliday, A, Guimaraes, A, Cook, D, Steven, A, Van Rooijen, N, Allen, J, Jenkins, S, Taylor, M