Hwang Jusun, Kim Jisoo, Son Kidong, Kim Yongkwan, Jeong Hyesung, Jheong Weonhwa
National Wildlife Institute of Wildlife Disease Control and Prevention, 1, Songam-gil, Gwansan-gu, Gwangju 62407, Republic of Korea.
Animals (Basel). 2024 Dec 19;14(24):3669. doi: 10.3390/ani14243669.
is a ubiquitous zoonotic parasite with a wide range of warm-blooded animals as intermediate hosts, where the transmission primarily occurs through ingesting oocysts in the environment. Hence, animals inhabiting a wide geographical range can be sentinels for the environmental contamination of oocysts. The aim of this study was to determine the seroprevalence of in two generalist ungulates in the Republic of Korea (ROK), wild boar () and Korean water deer (), and identify the risk factors associated with this infection. Commercial ELISA kits confirmed a seroprevalence of 34.9% in wild boar (170/487, 95% CI: 30.7-39.3%) and 29.9% in Korean water deer (135/452, 95% CI: 25.7-34.3%). In both species, the seroprevalence was highest in winter, and showed no sex-related differences. In wild boars, the seroprevalence showed steep reduction in 2020 and increased with body mass. Meanwhile, in Korean water deer, seroprevalence did not show significant association with any of the tested variables, although an increase in seroprevalence was observed in 2020 compared to previous years. This study documents the widespread yet heterogeneous nature of prevalence in its intermediate host population. Hence, the constant monitoring of prevalence in its host species, both definitive and intermediate, while simultaneously considering risk factors would be necessary to identify the drivers behind the fluctuating pattern of prevalence.
是一种普遍存在的人畜共患寄生虫，有多种温血动物作为中间宿主，其传播主要通过摄入环境中的卵囊发生。因此，生活在广泛地理区域的动物可作为卵囊环境污染的哨兵。本研究的目的是确定韩国两种广食性有蹄类动物野猪和獐的血清流行率，并确定与这种感染相关的风险因素。商业ELISA试剂盒证实野猪的血清流行率为34.9%（170/487，95%可信区间：30.7 - 39.3%），獐的血清流行率为29.9%（135/452，95%可信区间：25.7 - 34.3%）。在这两个物种中，血清流行率在冬季最高，且无性别差异。在野猪中，血清流行率在2020年急剧下降，并随体重增加而上升。同时，在獐中，血清流行率与任何测试变量均无显著关联，尽管与前几年相比，2020年血清流行率有所上升。本研究记录了其在中间宿主种群中流行的广泛但异质性的特点。因此，持续监测其在终末宿主和中间宿主物种中的流行率，同时考虑风险因素，对于确定流行率波动模式背后的驱动因素是必要的。
