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Emerg Infect Dis. 2010 Mar;16(3):379-84. doi: 10.3201/eid1603.090443.

Bartonella spp. transmission by ticks not established.

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

Abstract

Bartonella spp. infect humans and many animal species. Mainly because PCR studies have demonstrated Bartonella DNA in ticks, some healthcare providers believe that these microorganisms are transmitted by ticks. B. henselae, in particular, is regarded as being present in and transmissible by the Ixodes scapularis tick. The presence of a microbial agent within a tick, however, does not imply that the tick might transmit it during the course of blood feeding and does not confer epidemiologic importance. After a critical review of the evidence for and against tick transmission, we conclude that transmission of any Bartonella spp. by ticks, to animals or humans, has not been established. We are unaware of any well-documented case of B. henselae transmission by I. scapularis ticks.

PMID:
20202410
PMCID:
PMC3322007
DOI:
10.3201/eid1603.090443
[Indexed for MEDLINE]
Free PMC Article
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