The health system of the City of Buenos Aires during the XIX century, related to the diseases of sexual transmission, is presented. The “General Hospital for Acute Diseases Dr. Juan A. Fernandez” of universitary character with a well gained prestige in his influencial zone, accumulates the highest technology in this programmatic area, and is today related with the great epidemic disease of sexual transmission from the XXth.

Century:

AIDS. Not always is well known the fact that, more than a century ago, this Institution was created to confront also to an epidemic of sexual transmission: syphilis. Is then purpose of this revision to introduce to the reader in the behavioral situation at the time of its foundation, the sanitary problems that conducted to its creation and the history of his former years, all of that related to the evolution of the sexually transmitted diseases at the endings of the XIX century.