An update of evidence for pathogen transmission by ticks of the genus Hyalomma

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Bonnet, Sarah | Bertagnoli, Stéphane | Falchi, Alessandra | Figoni, Julie | Fite, Johanna | Hoch, Thierry | Quillery, Elsa | Moutailler, Sara | Raffetin, Alice | René-Martellet, Magalie | Vourc’h, Gwenaël | Vial, Laurence

Edité par CCSD ; MDPI -

Axe de recherche VAS : 2This narrative review was conducted by the ad hoc subgroup from the working expert group on the risks related to Hyalomma ticks at the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) commissioned by the French authorities.. International audience. Current and likely future changes in the geographic distribution of ticks belonging to the genus Hyalomma are of concern, as these ticks are believed to be vectors of many pathogens responsible for human and animal diseases. However, we have observed that for many pathogens there are no vector competence experiments, and that the level of evidence provided by the scientific literature is often not sufficient to validate the transmission of a specific pathogen by a specific Hyalomma species. We therefore carried out a bibliographical study to collate the validation evidence for the transmission of parasitic, viral, or bacterial pathogens by Hyalomma spp. ticks. Our results show that there are very few validated cases of pathogen transmission by Hyalomma tick species.

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