| natural infection of small mammal species in minnesota with the agent of human granulocytic ehrlichiosis. | the natural reservoirs for the agent of human granulocytic ehrlichiosis (hge) are suspected to be the small mammals that host immature stages of ixodes scapularis ticks. to determine if such small mammals are naturally infected, we collected blood and serum samples from small mammal species in rural and suburban areas of minneapolis and st. paul, minn. samples were collected from white-footed mice (peromyscus leucopus), eastern chipmunks (tamias striatus), southern red-backed voles (clethrionomy ... | 1997 | 9157141 |