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Background <p><i>Ehrlichia</i> spp. are a group of intracellular parasitic bacteria primarily transmitted by ticks. They exhibit a wide global distribution and can infect a diverse range of mammals, including humans, underscoring their immense public health significance.</p> Results <p>Among 631 ticks examined, all were identified as belonging to the <i>Rhipicephalus linnaei</i>; of these, 63 (9.98%) out of 631 ticks tested positive for <i>Ehrlichia canis</i>.Additionally, 140 (11.08%) out of 1264 dog blood samples were positive for <i>E. canis</i>. Notably, <i>Ehrlichia ewingii</i> and <i>Ehrlichia chaffeensis</i> were not detected. The prevalence of <i>Ehrlichia</i> infection in dogs was associated with factors such as age, breed, dewormer use, tick infestation, and living environment while displaying no association with the dog’s gender.</p> Conclusions <p>In Hainan Province, <i>Rhipicephalus linnaei</i> is the dominant tick species infecting dogs. Dogs are vulnerable to <i>Ehrlichia</i> infection, particularly rural and stray dogs, suggesting the need for a targeted control strategy.</p>

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Prevalence of Ehrlichia spp. in dogs and ticks in Hainan Province, China

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月3日

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  • Haiyue Zu,
  • Zhilong Xiang,
  • Xiaoming Zhang,
  • Qiyuan Cao,
  • Yang Lin,
  • Zhu Ying,
  • Biswajit Bhowmick,
  • Hengtao Xiang,
  • Qian Han,
  • Jinhua Wang

摘要

Background

Ehrlichia spp. are a group of intracellular parasitic bacteria primarily transmitted by ticks. They exhibit a wide global distribution and can infect a diverse range of mammals, including humans, underscoring their immense public health significance.

Results

Among 631 ticks examined, all were identified as belonging to the Rhipicephalus linnaei; of these, 63 (9.98%) out of 631 ticks tested positive for Ehrlichia canis.Additionally, 140 (11.08%) out of 1264 dog blood samples were positive for E. canis. Notably, Ehrlichia ewingii and Ehrlichia chaffeensis were not detected. The prevalence of Ehrlichia infection in dogs was associated with factors such as age, breed, dewormer use, tick infestation, and living environment while displaying no association with the dog’s gender.

Conclusions

In Hainan Province, Rhipicephalus linnaei is the dominant tick species infecting dogs. Dogs are vulnerable to Ehrlichia infection, particularly rural and stray dogs, suggesting the need for a targeted control strategy.