co-infection of ornithodoros coriaceus with the relapsing fever spirochete, borrelia coriaceae, and the agent of epizootic bovine abortion. | the soft tick, ornithodoros coriaceus (koch) (acari: argasidae), is a common mammalian parasite of livestock in many arid regions of the western u.s.a. the tick is a known vector of the undescribed bacterial pathogen that causes epizootic bovine abortion (eba), which results in late-term abortions in beef cattle and subsequent economic loss, which can be considerable, to producers. a second reported bacterial pathogen, borrelia coriaceae, a member of the relapsing fever complex, has also been id ... | 2011 | 21410735 |