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Abstract：
Anaplasma species, Ehrlichia species and Rickettsia species are vector-borne pathogens infecting a wide variety of mammals, but causing disease in very few of them. Infection in cats: Anaplasma phagocytophilum is the most important feline pathogen among these rickettsial organisms, and coinfections are possible. Little information is available on the pathogenesis of these agents in cats. Clinical signs are usually reported soon after tick infestation. They are mostly non-specific, consisting of fever, anorexia and lethargy. Joint pain may occur. Infection in humans: Some rickettsial species ( A phagocytophilum, Ehrlichia chaffeensis, Ehrlichia ewingii, Rickettsia conorii, Rickettsia rickettsii, Rickettsia felis, Rickettsia typhi and Candidatus Neoehrlichia mikurensis) are of zoonotic concern. Direct contact with cat saliva should be avoided because of potential contamination by R felis. Infected cats are \'sentinels\' of the presence of rickettsial pathogens in ticks and fleas in a given geographical area, and they signal a risk for people exposed to vectors.
摘要：
无性体物种，埃里希菌属和立克次体属是感染多种哺乳动物的媒介传播病原体，但在其中极少数引起疾病。猫感染：吞噬细胞无性体是这些立克次体生物中最重要的猫病原体，合并感染是可能的。关于这些试剂在猫中的发病机理的信息很少。临床症状通常在蜱感染后不久报告。它们大多是非特定的，包括发烧，厌食症和嗜睡。可能会出现关节痛。人类感染：一些立克次体物种（吞噬细胞，查菲埃里希氏菌,埃里希亚·埃文吉，立克次体conorii,立克次体立克次体，立克次体费利斯,伤寒立克次体和念珠菌）是人畜共患的关注。由于Rfelis的潜在污染，应避免与猫唾液直接接触。被感染的猫是在给定地理区域的蜱和跳蚤中存在立克次体病原体的“哨兵”，它们预示着暴露于媒介的人有风险。
