The bacteria that cause necrotizing fasciitis can enter the body following surgery or injury. They can also enter the body through: 1  minor cuts. 2  insect bites. 3  abrasions.
Gradual definition, taking place, changing, moving, etc., by small degrees or little by little: gradual improvement in health. See more.
Definition of drift for English Language Learners. : 1  a slow and gradual movement or change from one place, condition, etc., to another. : 2  a large pile of snow or sand that has been blown by the wind. : 3  the general or basic meaning of something said or written.