卡氏厉螨（蜱螨目：硬蜱科）感染的立克次体在美国堪萨斯州的房屋内被发现。

Carios kelleyi (Acari: Ixodida: Argasidae) Infected With Rickettsial Agents Documented Infesting Housing in Kansas, United States.

机构信息

U.S. Army Public Health Center, Tick-Borne Disease Laboratory, Aberdeen Proving Ground, MD, USA.

Delaware Division of Fish and Wildlife, Mosquito Control Section, Newark, DE, USA.

出版信息

J Med Entomol. 2021 Nov 9;58(6):2398-2405. doi: 10.1093/jme/tjab069.

DOI:10.1093/jme/tjab069

PMID:34007993

Abstract

During September-December 2018, 25 live ticks were collected on-post at Fort Leavenworth, Kansas, in a home with a history of bat occupancy. Nine ticks were sent to the Army Public Health Center Tick-Borne Disease Laboratory and were identified as Carios kelleyi (Cooley and Kohls, 1941), a species that seldom bites humans but that may search for other sources of blood meals, including humans, when bats are removed from human dwellings. The ticks were tested for numerous agents of human disease. Rickettsia lusitaniae was identified by multilocus sequence typing to be present in two ticks, marking the first detection of this Rickettsia agent in the United States and in this species of tick. Two other Rickettsia spp. were also detected, including an endosymbiont previously associated with C. kelleyi and a possible novel Rickettsia species. The potential roles of C. kelleyi and bats in peridomestic Rickettsia transmission cycles warrant further investigation.

摘要

2018 年 9 月至 12 月期间，堪萨斯州莱文沃思堡一处曾有蝙蝠出没的住宅内采集到 25 只活体蜱虫。其中 9 只蜱虫被送往陆军公共卫生中心蜱传疾病实验室，鉴定为卡氏革蜱（Cooley 和 Kohls，1941 年），该种蜱虫很少叮咬人类，但在蝙蝠从人类住所中移除后，可能会寻找其他血液来源，包括人类。这些蜱虫被检测了多种人类疾病的病原体。利什曼原虫通过多位点序列分型鉴定存在于 2 只蜱虫中，这标志着该利什曼原虫在美首次被检出，以及在该种蜱虫中被首次检出。还检测到了另外两种立克次体，包括一种先前与卡氏革蜱相关的内共生体和一种可能的新型立克次体。卡氏革蜱和蝙蝠在围生期立克次体传播循环中的潜在作用值得进一步研究。