Matei Ioana Adriana, Kalmár Zsuzsa, Lupşe Mihaela, D'Amico Gianluca, Ionică Angela Monica, Dumitrache Mirabela Oana, Gherman Călin Mircea, Mihalca Andrei Daniel
Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Cluj Napoca, Department of Parasitology and Parasitic Diseases, Cluj Napoca, Cluj, Romania.
Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Cluj Napoca, Department of Parasitology and Parasitic Diseases, Cluj Napoca, Cluj, Romania.
Ticks Tick Borne Dis. 2017 Mar;8(3):375-378. doi: 10.1016/j.ttbdis.2016.12.013. Epub 2016 Dec 29.
Anaplasma phagocytophilum and spotted fever group Rickettsia are obligate intracellular Gram-negative tick-borne bacteria, among which several may cause clinical infections in humans. Several Rickettsia spp. and A. phagocytophilum are transmitted in Europe by Ixodes ricinus, the most common tick species feeding on humans in this area. The aim of this study was to evaluate the annual prevalence of Rickettsia spp. and A. phagocytophilum in I. ricinus collected from humans during three consecutive years. The mean prevalences of the infection with the investigated pathogens in I. ricinus ticks collected from human patients were as follows: A. phagocytophilum (5.56%), R. helvetica (4.79%) and R. monacensis (1.53%). In the present study, no significant differences of pathogens prevalence between the three years study period were observed, except the prevalence of R. helvetica, which had a significant increase in 2015, suggesting an increasing risk for humans to be exposed to this zoonotic pathogen.
嗜吞噬细胞无形体和斑点热群立克次体是专性细胞内革兰氏阴性蜱传细菌，其中几种可导致人类临床感染。几种立克次体属细菌和嗜吞噬细胞无形体在欧洲通过蓖麻硬蜱传播，蓖麻硬蜱是该地区最常见的吸食人类血液的蜱种。本研究的目的是评估连续三年从人体采集的蓖麻硬蜱中立克次体属细菌和嗜吞噬细胞无形体的年度流行率。从人类患者采集的蓖麻硬蜱中，所调查病原体的平均感染率如下：嗜吞噬细胞无形体（5.56%）、瑞士立克次体（4.79%）和蒙氏立克次体（1.53%）。在本研究中，除瑞士立克次体的流行率在2015年显著增加外，在三年研究期间未观察到病原体流行率的显著差异，这表明人类接触这种人畜共患病原体的风险在增加。
