Assertion: lepromatous leprosy | /r/AtLocation | african
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text: Large studies in China have identified further susceptibility loci, including genes encoding the NOD2 and Toll-like receptor signaling and autophagy pathways, highlighting the importance of host immunity in pathogenesis of leprosy.9,10 Racial and geographic factors also influence the type of leprosy, with lepromatous leprosy being less common in Africans than Indians, and most common in Chinese and Caucasians.