It’s not just where I’m the tissue you get the bacteria but that’s part of it. All of us are transitioning from a cohesive and robust organism to food for life that decomposes other life.

Aging progresses that process, but also so does vice like smoking and overeating to the point of uncontrolled diabetes, both things that damage the micro circulation, and it happens in some parts of the body more severely than others, especially the feet.

Feet are commonly injured physiologically by poor health and physically by traumatic injury which allows the bacteria an opportunity to enter the deep tissues. Tissue with poor circulation doesn’t clear bacteria well. Tissue with high glucose doesn’t have good immune function and is rife with nutrition for bacteria.

Put that all together- injury, poor circulation, and the right bacteria, and that part of the body becomes food and begins to decompose- this is necrotizing fasciitis, and the only effective treatment at that point is to physically remove the tissue from the organism by debridement or amputation, antibiotics alone will never be sufficient because of the reasons described.

Throats tend not to develop necrotizing infections because the circulation is more robust there even in healthy people. It can happen though when people have severely bad dentition and deep seated chronic infection, and if that occurs the medical term eponym is Ludwig’s Angina.