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Is leishmaniasis the new emerging zoonosis in the world?

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Abstract

Leishmania is a genus of parasitic protozoa that causes a disease called leishmaniasis. Leishmaniasis is transmitted to humans through the bites of infected female sandflies. There are several different species of Leishmania that can cause various forms of the disease, and the symptoms can range from mild to severe, depending on species of Leishmania involved and the immune response of the host. Leishmania parasites have a variety of reservoirs, including humans, domestic animals, horses, rodents, wild animals, birds, and reptiles. Leishmaniasis is endemic of 90 countries, mainly in South American, East and West Africa, Mediterranean region, Indian subcontinent, and Central Asia. In recent years, cases have been detected in other countries, and it is already an infection present throughout the world. The increase in temperatures due to climate change makes it possible for sandflies to appear in countries with traditionally colder regions, and the easy movement of people and animals today, facilitate the appearance of Leishmania species in new countries. These data mean that leishmaniasis will probably become an emerging zoonosis and a public health problem in the coming years, which we must consider controlling it from a One Health point of view. This review summarizes the prevalence of Leishmania spp. around the world and the current knowledge regarding the animals that could be reservoirs of the parasite.

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Adapted from Akhoundi et al. (2016) and Klatt et al. (2019)

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Acknowledgements

We are grateful to University Cardenal Herrera-CEU.

Funding

This work was supported by IDOC (IDOC22-05) and PUENTE (PUENTE22-01) projects of University CEU Cardenal Herrera. The funding agency was not involved in the study design, data collection, data analysis or drafting of the manuscript.

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E. M-A. wrote the first manuscript. L. L. conceived the research, wrote, and revised the final version of manuscript. All authors read and approved the final manuscript.

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Correspondence to Lola Llobat.

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Montaner-Angoiti, E., Llobat, L. Is leishmaniasis the new emerging zoonosis in the world?. Vet Res Commun 47, 1777–1799 (2023). https://doi.org/10.1007/s11259-023-10171-5

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  • DOI: https://doi.org/10.1007/s11259-023-10171-5

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