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comuiiuiity that does not respect these measures. These measures pro- 

 tect the state, municipality and the home; they affect schoolhouses, 

 public buildings, foods, and street cleaning; in fact, there is hardly a 

 phase of social or industrial life that is not reached by the arm of 

 sanitary precautions. Further evidence is shown by a study of vital 

 statistics during the past fifty ye/irs, wherein may be seen a marked 

 reduction in the deaths from all preventable diseases. All of this has 

 come about, and much more is yet to come, I believe, through this re- 

 naissance period in the science of sanitation, marked by the estab- 

 lishment of the germ theory of disease and the birth of bacteriology. 

 Fiom that time the bacteriolcgist and the sanitarian have marched hand 

 in hand in their grand fight against disease and death. 



