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.
Wiktionary (0.00 / 0 votes) Rate this definition: decline (Noun). Downward movement, fall. decline (Noun). A sloping downward, e.g. of a hill or road. decline (Noun). A weakening.