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THE SIXTH International Congress of Leprology was held in Madrid from Oct. 3 to 10, 1953, under the auspices of the Spanish Public Health Authorities and the International Association of Leprosy.
In the spacious quarters of the University City of Madrid, 403 delegates, representing 46 countries, were assembled to discuss papers, interchange ideas, and formulate recommendations. The topics discussed had been previously outlined by the Executive Committee and included therapy, classification, immunology, epidemiology and control, and the social aspect of the disease.
Three topics of importance attracted the attention of the Congress: the confirmation of therapeutic efficacy of the sulfones, the adoption of a classification of the forms of leprosy, according to the view expressed by the South American School in Cairo in 1938, in Rio de Janeiro in 1946, and in Habanaf in 1948, and the encouraging possibilities of the use of BCG in the prevention