<prompt> True about epidemiology of leprosy -If high prevalence of cases seen in childhood, it means disease is under controlLepra bacilli cannot survive outside human bodyBacterial load is high in tuberculoid varietyInsect can transmit the disease  <response>: Epidemiology of Leprosy Description: Chronic infectious disease caused by Mycobacterium leprae and affecting mainly peripheral nerves Leprosy is a disease of high Infectivity but low pathogenicity Attack rate of Leprosy among house hold contacts : 4.4-12 Youngest case of Leprosy in India: 2 12 month infant Leprosy is often known as a Social disease Is probably the oldest disease known to mankind Mode of transmission Droplet infection MC Contact transmission Direct skin to skin or indirect with soilfomites Breast milk from lepromatous mothers Transplacental Insect vectors Tattoing needles Ref: Park 25th edition Pgno : 335 