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Related Experiment Video

Updated: Jun 15, 2026

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Published on: August 31, 2013

Bartonella spp. transmission by ticks not established.

Sam R Telford¹, Gary P Wormser

¹Tufts University Cummings School of Veterinary Medicine, North Grafton, Massachussetts, USA.

Emerging Infectious Diseases

|March 6, 2010

Summary

Current evidence does not support tick transmission of Bartonella species, including Bartonella henselae, to humans or animals. Despite detection in ticks, tick-borne Bartonella transmission remains unproven.

Area of Science:

Microbiology
Infectious Diseases
Epidemiology

Background:

Bartonella species are known to infect humans and various animal hosts.
The presence of Bartonella DNA in ticks, particularly Ixodes scapularis, has led to the hypothesis of tick-borne transmission.
Bartonella henselae is frequently implicated in potential transmission by Ixodes scapularis.

Purpose of the Study:

To critically evaluate the evidence supporting tick transmission of Bartonella species.
To determine the epidemiological significance of Bartonella detection in ticks.

Main Methods:

A comprehensive review of existing scientific literature on Bartonella and tick interactions.
Analysis of studies reporting Bartonella DNA in ticks and evidence of transmission.

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Main Results:

Detection of Bartonella DNA in ticks does not confirm transmission during blood feeding.
No established cases of Bartonella species transmission by ticks to animals or humans were found.
Specifically, no well-documented instances of Bartonella henselae transmission by Ixodes scapularis were identified.

Conclusions:

The transmission of Bartonella species by ticks is not scientifically established.
Further research is needed to clarify the role of ticks, if any, in Bartonella epidemiology.