A number of cases of undulant fever due to B. abortus infection have been reported in the United States. The majority of these have been in males. In the cases of women, no mention has been made of conditions referable to the genital tract, although the bloody uterine discharge is common in cattle having this disease.
The epidemiology of the disease, and the rôle of domestic animals, especially the cow, appears to have been satisfactorily settled following the work of Evans,1 Huddleson2 and Duncan.3 The case reported here is submitted with the added interest of being the first from the large dairy areas of the Pacific Coast states, where B. abortus infection is widespread among the cattle. One can but speculate on the possibly unrecognized cases among human beings.
In line with the latter thought, the case was presented with the history and all laboratory data excepting the