Abstract
Susceptiblity of suckling, infant and adult mice to rat leprosy was observed by means of intracerebral, subcutanous and intraperitoneal inoculation of Myco. leprae murium.
The results obtained were as follows: 1) Suckling and infant mice were not more suspceptible to rat leprosy than adult mice. 2) Rat leprosy induced inapparent infection in the brain of mice.
