1: Introductory Reviews 2: Giardia as an organism, E.A. Mayer 3: Giardiasis as a disease, M.J.G. Farthing 4: Population Genetics and Systematics 5: How many species of Giardia are there? M. Tibayrenc 6: Abstracts: Population genetics and systematics 7: Discussants report, A.J. Lymbery and M. Tibayrenc 8: Biotic and Abiotic Transmission 9: Biotic Transmission - Is giardiasis a zoonosis? S.L. Erlandsen 10: Abiotic transmission - Is water really significant? P.M. Wallis 11: Abstracts: Biotic and abiotic transmission 12: Discussants report, R.C.A. Thompson and P.F.L. Boreham 13: Immunology 14: Immunology: The role of the parasite, T.E. Nash 15: Abstracts: Immunology; The role of the parasite 16: Discussants report, G. Mayrhofer 17: Giardia Biochemistry 18: Biochemistry: Is Giardia opportunistic in its use of substrates? P.J. Schofield and M.R. Edwards 19: Abstracts: Giardia biochemistry 20: Discussants report, A.H.W. Mendis and P.J. Schofield 21: Significance, Pathogenesis and Control of Giardiasis 22: Giardiasis in humans: Populations at risk and prospects for control, G.H. Rabbani and A. Islam 23: Giardia infections: Epidemiology and nutritional consequences, A. Hall 24: The clinical significance of giardiasis in Australian aboriginal children, M. Gracey 25: Pathogenesis - How does Giardia cause disease? A. Buret 26: The current status of chemotherapy for giardiasis, P.F.L. Boreham 27: Biochemical mechanisms of antigiardial drug action, E.L. Jarroll 28: New approaches in chemotherapy, J.A. Reynoldson 29: Abstracts: Clinical significance, pathogenesis and control 30: Discussants report, T.M.E. Davis and J.A. Reynoldson