ASIATIC CHOLERA AND THE CHOLERA ORGANISM 



839 



food supplies naturally plays an important role, and in such epi- 

 demics, as the one in Hamburg, the water supply was primarily 

 responsible. The distribution of the disease here followed definitely 



EPIDEMICS OF CHOLERA IN VARIOUS PLACES l 



the distribution of the infected water supply and the organisms 

 were isolated from the water. This epidemic is one of the classical 

 water epidemics and has served more than any other water epidemic 

 in impressing medical and health authorities with the importance 

 of water supply supervision. In countries like India and Egypt, 

 etc., where water supplies are often taken from collecting tanks not 

 properly supervised, and from individual wells, and where the super- 

 vision of feces disposal is not strict, it is quite natural that dis- 

 tribution by water supplies should be extremely important. Violle 

 adds a number of interesting instances of water transmission which 

 occurred in France in 1885, in which the source was soiled linen 



