compared with an incidence rate of leprosy of 1.6 per 1000 pyr among individuals not exposed to leprosy in the same area , household contacts of non-lepromatous patients had a relative risk of twice as high and contacts of lepromatous and borderline lepromatous patients a relative risk of 3 times as high .
C0023343
leprosy
C1562585
borderline lepromatous