... James Chudley, for assistance in the preparation of theillustrations, to Andy Fewtrell for technical advice, and to the Centre for Research into Environment and Health for its continued ... concern for theguidelines and is of universal relevance. WHO guidelines should provideWater QualityGuidelines, Standards and Health: Assessment ofrisk and risk management for water-relatedinfectious ... hookworminfection, schistosomiasis, and trachoma. Bull. World Health Org. 69, 60 9-6 21.Fattal, B., Guttman-Bass, N., Agursky, T. and Shuval, H.I. (1988) Evaluation of health risk associated...