Book excerpt: This book focuses on the era during which the cause of tuberculosis had been identified, and public health officials were seeking to prevent it, but scientists had not yet found a cure. By examining tuberculosis comparatively in two Atlantic port cities, Buenos Aires and Philadelphia, it explores the medical, political and economic settings in which patients, physicians and urban officials lived and worked. Reber discusses the causes of tuberculosis, treatments and public health efforts to stop contagion, and how factors such as gender, age, class, nationality, beliefs and previous experiences shaped patient responses, and often defined the type of treatment.