期刊
VECTOR-BORNE AND ZOONOTIC DISEASES
卷 21, 期 8, 页码 635-637出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/vbz.2021.0005
关键词
Gopherus agassizii; tick-borne relapsing fever; Borrelia; desert tortoise; Ornithodoros; Borrelia hermsii
资金
- Pacific Southwest Center for Excellence in Vector-Borne Disease - U.S. Centers for Disease Control and Prevention [1U01CK000516]
Ticks transmit pathogens and cause zoonotic diseases, with this report detailing the first cases of tick-borne relapsing fever in people in the Mojave Desert. Contact with tortoises may lead to such diseases, highlighting the importance of precautions in this region.
Ticks transmit pathogens and parasitize wildlife in turn causing zoonotic diseases in many ecosystems. Argasid ticks, such as Ornithodoros spp., harbor and transmit Borrelia spp., resulting in tick-borne relapsing fever (TBRF) in people. In the western United States, TBRF is typically associated with the bite of an infected Ornithodoros hermsi tick found in habitats at high elevations (>1500 ft). This report describes the first TBRF cases in people in the Mojave Desert (Clark County, NV). Individuals documented in these case studies were exposed to Ornithodoros ticks during excavation of soil burrows associated with Mojave Desert tortoises (Gopherus agassizii), with bacteria from one of the human case's blood sample genetically matching to Borrelia turicatae as determined by quantitative PCR and sequencing. Our findings should serve as a precaution to individuals working with tortoises or animal burrows, or those in contact with Ornithodoros ticks in this region.
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