“…The results of two American surveys are close to the Aberdeen prevalence rate of 4 8%. The study of asthma in the total community of Tecumseh, Michigan (Broder, Barlow, and Horton, 1962), showed a comparable prevalence in similar age groups; while Arbeiter (1967), in a study of allergy in schoolchildren in Munster, Indiana (an upper-middle income suburb of Chicago) found a prevalence of asthma of 4 * 9 %. From Melbourne, Australia, Williams and McNicol (1969) reported a rate of 3 *7%.…”