cutaneous leishmaniasis in the peruvian andes: an epidemiological study of infection and immunity. | a prospective longitudinal survey of cutaneous leishmaniasis (leishmania peruviana) was carried out in peru on a study population of 4716 persons living in 38 villages (departments of lima, ancash and piura). demographic and clinical data were collected from all individuals, and a montenegro skin test (mst) was carried out on 72% (3418) of the study population. each household was revisited at 3-monthly intervals for up to 2 years to detect new leishmaniasis cases; 497 people received a second ms ... | 1995 | 7705493 |