Cholera, furiously fatal intestinal disease, is as old as populated India; and until 1817 never left the home grounds. In that year it spread East; with the increase of travel in later years it spread West, invading the Americas in 1826 and 1873. The great pandemic of 1879 to 1883 threw a scare into the civilized world, sent scientists to microscope and test tube, sent Robert Koch* into Egypt from which he emerged with the Vibrio cholerae, cause of all the trouble. Work on the troublesome organism has not ceased since that time. During the last epidemic the British Government appointed...
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