leprosy is one of the oldest diseases of the country and may have been brought over to this country from egypt in ancient times. leprosy is mose frequent in the province of tehran, east azarbaijan, guilan and mazandaran (43 per km2) than other part of the country (13-18 per km2).the incidence of leprosy is recorded at 7.7 per thousand and 35.2 per thousand in the southern and northern part of t...