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Drivers who had reached 9 Ontario penalty points for the first time were exposed to a Driver Improvement Program aimed at skills rather than at attitudes, which have been the traditional target of such programs. The skills improvement package consisted of a book written by the present authors and, for some, group discussion centering on driving skill. Three months after treatment the group receiving the book showed a significantly lower collision rate than controls who had received only a letter urging them to drive more carefully. The difference in collision rates had disappeared at six months after treatment. The treatment and control groups showed no differences in conviction rates at either time period. /HSRI/

During a small epidemic of cholera in South Italy in summer of 1973, the infection showed some peculiarities and differences in comparison with cholera classic picture of Asiatic areas. In this paper epidemiological, pathogenetic, clinical and biochemical data of patients admitted to the Institute of Infectious Diseases of Bari are reported. The age of the majority of patients (over 50) is an important factor for understanding cause of infection; but also preexistent basal diseases are responsible of severe course of infection. In fact, in spite of low mortality (2/70), in many cases the course of disease has been complicated by metabolic disorders. Also cardio-vascular conditions have influenced course of infection. The Authors discuss the causes of this atypic behaviour of cholera in South Italy.