XI. 



MALTA FEVER, MALARIA, YELLOW FEVER 



THIS book, though it is a book of omissions, is 

 already longer than the standard set for it : but 

 some sort of note must be put here on those 

 researches into Malta fever, malaria, and yellow 

 fever, which have done so much for the health and 

 wealth of nations. 



MALTA FEVER. 



Sir David Bruce, in his evidence before the 

 Royal Commission on Vivisection, November 5, 

 1907, gives a full account of the stamping out of 

 this disease. It is less fatal than typhoid, but 

 more severe : more tedious, more painful. It is 

 widespread over the tropical and sub -tropical 

 regions of the earth. In 1886, Bruce proved, past 

 all doubt, that certain germs, the micrococcus 

 melitensis, are the cause of the fever. Unhappily, 

 this discovery was not followed up till many years 

 later. In 1904, the Malta Fever Commission set 

 to work, to discover the source of the infection : 



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