List of contributors; Preface W. Harnett and L. H. Chappell; Introduction to immune cell signalling H. S. Goodridge, M. M. Harnett; Evasion of innate immunity by vaccinia virus I. R. Haga and A. G. Bowie; Subversion of host cell signalling by the protozoan parasite Leishmania D. J. Gregory and M. Olivier; Constitutively activated CK2 potentially plays a pivotal role in Theileria-induced lymphocyte transformation F. Dessauge, R. Lizundia and G. Langsley; Stimulation of innate immune responses by malarial glycosylphophatidylinositol via pattern recognition receptors T. Nebl, M. J. de Veer and L. Schofield; Subversion of immune cell signal transduction pathways by the secreted filarial nematode product, ES-62 W. Harnett, H. S. Goodridge and M. M. Harnett.