The Incubation Period of Leprosy

Vkry variable incubation periods have been given by different observers, making it most difficult to make any definite, authoritative statement on the subject. Thus Ralph Hopkins of Lousiana places it at six to eight years, Besnier says it is usually four years, Iveravel in the Caucasus found it to be three to four years in a few cases where it could be definitely fixed, while Munch of South Russia says the disease may appear in the healthy two or three years after the death of a leper member of a family from whom the disease was apparently contracted, and Impey in South Africa found the period in nodular cases to