An investigation of tick-borne pathogens in parts of northeast China

HUANG Guan-peng, WU Qiong, MA You-xin, MAO En-rong, HUANG Xiao-yang, WANG Zhuo, ZHAO Hong-ming, LENG Guo-shuang, LI Bing, WANG You-jin, WU Yi-min

doi:10.11853/j.issn.1003.8280.2024.03.020

Chinese Journal of Vector Biology and Control >

2024 , Vol. 35 >Issue 3: 369 - 373

DOI: https://doi.org/10.11853/j.issn.1003.8280.2024.03.020

Investigation

An investigation of tick-borne pathogens in parts of northeast China

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1. Department of Biological Safety, Center for Disease Control and Prevention in Northern Theater Command, Shenyang, Liaoning 110034, China;
2. Changchun Chengtou Ecological Environment Technology Co. Ltd, Changchun, Jilin 130033, China

Received date: 2023-12-06

Online published: 2024-06-29

Supported by

National Science and Technology Major Project of China (No. 2016ZX10004203-001-009)

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Abstract

Objective To investigate the pathogens carried by ticks in three northeastern provinces of China and provide reference basis for the prevention and control of tick borne diseases.Methods From 2012 to 2013 and in 2016, tick specimens were collected from 11 counties and cities of northeastern China. Spotted fever group rickettsiae (SFGR) and Bartonella by PCR were tested, Candidatus Neoehrlichia mikurensis, Ehrlichia chaffeensis, and Francisella tularensis by nested PCR, and Borrelia burgdorferi and Babesia microti by quantitative real-time PCR.Results The detection rate was 9.10% for SFGR, 4.10% for E. chaffeensis, 0.70% for F. tularensis, 14.95% for Bor. burgdorferi, and 1.87% for Bab. microti, with a significant difference (χ²=42.808, P<0.001). Bor. burgdorferi and SFGR were most frequently detected, while Candidatus Neoehrlichia mikurensis and Bartonella were not found. There were significant differences between tick species in the positive rates of SFGR (χ²=12.291, P=0.016), Bor. burgdorferi (χ²=23.409, P<0.001), and Bab. microti (χ²=11.592, P=0.028).Conclusions Ticks carry a variety of pathogens in northeast China, in which Bor. burgdorferi and SFGR are more common, and pathogen species differ between tick species, suggesting that these areas should strengthen tick-borne pathogen surveillance to inform the prevention and control of tick-borne diseases.

Key words： Tick; Tick-borne pathogen; Polymerase chain reaction; Northeast China

Cite this article

HUANG Guan-peng, WU Qiong, MA You-xin, MAO En-rong, HUANG Xiao-yang, WANG Zhuo, ZHAO Hong-ming, LENG Guo-shuang, LI Bing, WANG You-jin, WU Yi-min . An investigation of tick-borne pathogens in parts of northeast China[J]. Chinese Journal of Vector Biology and Control, 2024 , 35(3) : 369 -373 . DOI: 10.11853/j.issn.1003.8280.2024.03.020

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