Abstract
This paper is a statistical study showing the localities in which endemic typhus fever has been reported in the S. E. area of U. S. The increased incidence of the last 10 yrs. is the result of increased number of cases in urban areas and also of the spread of the disease into previously uninfected rural areas. There is some evidence that the brown rat and rat fleas are transported via trains and freight trucks and that extension of the disease might be traced to this mode of spread. The most highly endemic areas are southern Ga., southeastern Alabama, and south-eastern Texas.

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