Recommendations prepared by the National Environmental Health Association for the immediate creation of a National Health Services System are presented. Recent legislative and planning efforts are reviewed and specific state and local environmental health programs for the future are identified. (BT)

After identifying the mosquito as the Venezuelan equine encephalitis vector, health officials worked with the community to eliminate mosquito breeding sites. By educating the public first, cooperation was received in opening drainage areas and stocking water collection areas with mosquito eating fish to interrupt the host-vector-recipient cycle.…

This overview of the public health significance of Lyme disease includes the microbiological specifics of the infectious spirochete, the entomology and ecology of the ticks which are the primary disease carrier, the clinical aspects and treatment stages, the known epidemiological patterns, and strategies for disease control and for expanded public…

Describes procedures used to evaluate foodborne disease hazards that exist in food service establishments, lists the factors that have contributed to foodborne disease outbreaks in the United States, and presents a form that has been devised to facilitate the evaluation of these factors. (JR)

The use of chlorine dioxide as a disinfectant in water is being considered by the EPA. This article presents a summary of the known published reports concerning health effects of chlorine dioxide on animal and human populations. (Author/MA)

Analyses suggest that monthly rate of change in rat complaints is best explained by procedures which increase agency visibility, time-dependent cycles dictated by agency operation and intervention, and dynamics of a rat population. Effective rat control occurs when blocks are environmentally improved and annual cycle links weakened. (Author/MA)

In this study of a hepatitis outbreak combined data revealed the source of contamination, septic tank leakage into a stream. Children playing in the polluted ravine were most affected. (MR)

Describes the Environmental Control policies and legislation in Chicago, Illinois concerning air, water, noise, solid waste management, urban life, and food protection. This article is the first of a series dealing with urban environmental health situations. (MA)

Discusses the need for environmental health inspections in schools. Reports on the results of a survey of Clackamas County (Oregon) school kitchens, in relation to a high incidence of hepatitis A. Describes the variety of violations found and urges that schools no longer be exempt from state health division regulations. (TW)