from Section 7 - Protozoal Infections
Published online by Cambridge University Press: 18 June 2025
The leishmaniases are a group of diseases caused by the protozoan parasite Leishmania which belongs to the order of Kinetoplastidae. Infection affects the skin and mucosal surfaces, causes disseminated disease or a combination. The geographic distribution, clinical manifestations and prevalence of each form of the disease are the result of an intricate interplay between a particular strain of Leishmania, the susceptibility of the population, the presence of a reservoir and the sand fly vector; socioeconomic factors, changes in climate and ecology and population movements all play a role. Given these relationships, a One Health approach should be advocated (Hong et al. 2020). Worldwide 88 countries are affected with a global annual incidence of 0.7–1 million new cases annually, of which 0.6–1 million are cutaneous leishmaniasis (CL) cases and 50,000–90,000 are visceral leishmaniasis (VL) cases.
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