ABSTRACT
The more recent history of preventive medicine is relatively familiar, although in which it is proposed to deal more fully with the last seventy years will tell a fascinating story. It is of prime importance that people should know the pit out of which, with much vicarious suffering, much stumbling in effort, many mistakes, terrible practical errors, they have been digged. This chapter shows that assert is the value of what people possess can be fully appreciated, and utilised by aid of the search light which study of the beginings of things gives them. In 1903, Metchnikoff and Roux first inoculated monkeys with syphilis. In 1905, Schaudinn discovered the Treponema pallidum in primary lesions. In 1906, Neisser, Bruck, and Wassermann introduced the serological test in diagnosis. In 1910, Ehrlich discovered salvarsan. The work of Flugge, of Haldane, and of Leonard Hill, has demonstrated the importance of movement of air and of avoidance of excessive humidity in the ventilation of rooms.
