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When there is a jump in the number of cases of typhoid fever in any locality, the health officer at once proceeds to look for its cause, which, under ordinary circumstances, it is usually easy to find, and the spread of the disease is checked. This would have been deemed impossible a half century ago, and looked scarcely more than a bright dream even a generation ago. Now we have come to realize the real cause of malaria, yet the old doubts that used to exist with regard to the possible limitation of typhoid are prone to have a place, and people can not be quite persuaded that the malaria statistics are as well under the control of health officials as those of typhoid fever. A rather striking example of how much can be accomplished by watchfulness and proper command of such resources as are necessary to prevent the spread
A LESSON IN MALARIA PREVENTION.. JAMA. 1907;XLIX(4):332. doi:10.1001/jama.1907.02530040044007