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.
The definition of a decline is a lessening or failing. 1  An example of decline is the collapse of the Roman Empire. 2  An example of decline is the quality of a glass of milk as it starts to sour over time.  An example of decline is the failing health of someone with cancer.