Stalder Sandro, Marti Hanna, Borel Nicole, Sachse Konrad, Albini Sarah, Vogler Barbara Renate
Vetsuisse Faculty, Institute for Food Safety and Hygiene, National Reference Center for Poultry and Rabbit Diseases, University of Zurich, 8057 Zurich, Switzerland.
Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich, 8057 Zurich, Switzerland.
Pathogens. 2020 Sep 2;9(9):724. doi: 10.3390/pathogens9090724.
Bacteria of the family are globally disseminated and able to infect many bird species. So far, 11 species of have been detected in wild birds, and several studies found chlamydial strains classified as genetically intermediate between (.) and . Recently, a group of these intermediate strains was shown to form a separate species, i.e., . In the present study, 1128 samples from 341 raptors of 16 bird species and 253 corvids representing six species were examined using a stepwise diagnostic approach. DNA was detected in 23.7% of the corvids and 5.9% of the raptors. In corvids, the most frequently detected species was of outer membrane protein A () genotype 1V, which is known to have a host preference for corvids. The most frequently detected genotype in raptors was M56. Furthermore, one of the raptors harbored 1V, and two others carried genotype A. was not detected in the bird population investigated, so it remains unknown whether this species occurs in Switzerland. The infection rate of in corvids was high compared to rates reported in other wild bird species, but neither -positive corvids nor raptors showed overt signs of disease. Since the of both, raptors and crows were identified as and all genotypes are considered to be zoonotic, it can be suggested that raptors and crows pose a potential hazard to the health of their handlers.
该科细菌在全球广泛传播，能够感染多种鸟类。到目前为止，已在野生鸟类中检测到11种该细菌，多项研究发现衣原体菌株在遗传上介于（。）和之间。最近，一组这些中间菌株被证明形成了一个单独的物种，即。在本研究中，使用逐步诊断方法对来自16种鸟类的341只猛禽和代表6个物种的253只鸦科鸟类的1128个样本进行了检测。在23.7%的鸦科鸟类和5.9%的猛禽中检测到了该细菌的DNA。在鸦科鸟类中，最常检测到的该细菌物种是外膜蛋白A（）基因型1V，已知其对鸦科鸟类有宿主偏好。猛禽中最常检测到的基因型是M56。此外，一只猛禽携带了1V，另外两只携带了基因型A。在所调查的鸟类种群中未检测到，因此尚不清楚该物种是否在瑞士出现。与其他野生鸟类物种报告的感染率相比，鸦科鸟类中的感染率较高，但无论是呈阳性的鸦科鸟类还是猛禽都没有明显的疾病迹象。由于猛禽和乌鸦的都被鉴定为，并且所有基因型都被认为是人畜共患病的，因此可以认为猛禽和乌鸦对其处理者的健康构成潜在危害。
