University of Maryland Apr 7 2025 Nearly one million people worldwide are plagued annually by cutaneous leishmaniasis, a devastating skin infection caused by the Leishmania parasite. Predominantly affecting vulnerable populations in tropical and subtropical regions like North Africa and South America, this disease thrives in areas marked by malnutrition, poor housing and population displacement. Left untreated, it can lead to lifelong scars, debilitating disability and deep social stigma.