Institutional subscriptions are available. The journal is printed at Allen Press in Lawrence, Kansas, in six issues per year. Most of the emphasis rests with eukaryotic parasites, although vectors for prokaryotic organisms and viruses are also included. The journal focuses on general parasitology, as well as parasites of medical, veterinary, and economic importance. It has been in print continuously since 1914, when it was founded by Henry Baldwin Ward. The Journal of Parasitology is the official publication of the American Society of Parasitologists (ASP). Study designs that combine epidemiologic and biological data will simultaneously inform public health education and biological control programs. More studies of human incidence and severity are needed to convince public health agencies to address this problem at recreational lakes. In sum, onset and severity of swimmer's itch are affected by how people interact with the lake, not by their demographic features. Age and gender had no effect on incidence or severity. Episode severity increased with more time in the water and at the same locations. Probability of an episode increased with more days of water use and at locations with onshore winds. Incidence of swimmer's itch was 6.8 episodes per 100 water-exposure days. Minutes spent in the water, minutes in shallow water, location, time of day, preventive action, age, and gender were recorded for all residents and guests. Daily diaries about water exposures and swimmer's itch symptoms were completed by 40 riparian households at Douglas Lake, Michigan, for July 2000. This epidemiologic study reports incidence, severity, and risk factors of swimmer's itch (cercarial dermatitis).
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