In the period between February to October 1969, an investigation on some characteristics of patients with diphtheria and their families in the area of the Great S. Paulo (Brazil), was accomplished. A group of 29 patients, corresponding to 13.5% of the total number of patients with the disease, admitted to the Hospital Emílio Ribas during the period, was compared with a matched control group of 24 neighbourhood’s children. Most of the patients came from the fringe area of the Great […]