Abstract
Of all the diseases which afflicted mankind in the nineteenth century cholera has a good claim to the unenviable title of being the most dreaded. It was certainly the one which prompted the first sustained efforts to devise and implement international sanitary conventions. The reasons why cholera was so feared are many. Until the second decade of the century it was confined to the Indian subcontinent—where it had probably existed since ancient times—and medical knowledge of it elsewhere was practically nil. In 1817, however, maritime trade carried the infection to other lands and thus began the first period of diffusion which lasted for some six years. By the early years of the twentieth century a further five massive epidemics had occurred, almost every country in the world had been affected and the cumulative death toll was measured in millions. Persia, being so close to the original source of infection, suffered in every one of those epidemics and also from several other more limited and localized outbreaks.
Published Version
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