Analysis of HLA Alleles in Different Cohorts of Patients Infected by from Southern Spain.

Leishmaniasis is an infectious disease caused by protozoa of the genus , which is endemic in certain areas of Europe, such as southern Spain. The disease manifests in various clinical phenotypes, including visceral, cutaneous, mucosal, or asymptomatic leishmaniasis. This diversity in clinical outcomes may be influenced by the host immune response, with human leukocyte antigen (HLA) molecules playing a crucial role in determining susceptibility and progression of the infection.