The site www.parasite-diagnosis.ch provides basic information on the diagnosis of parasitic diseases. Diagnostic Medical Parasitology is in full development. New methodological technologies and clinical experience broaden our knowledge and will have impacts on diagnostic approaches and diagnostic strategies. The authors have checked with sources believed to be reliable in their efforts to provide information that is complete and generally in accord with the standards accepted at the time of publication. However, in view of the possibility of human error or changes in the medical sciences, neither the authors nor the Swiss Tropical and Public Health Institute nor any other party who has been involved in the preparation or publication of this work warrant that the information contained herein is in every respect accurate or complete, and they are not responsible for any errors or omissions or for the results obtained from the use of such information. Readers are encouraged to confirm the information contained herein with other sources.