Your sister cut herself with a knife, and within a few days, she had a severe pus-producing infection of the hand. a day later, skin begins to come off, exposing muscle and other tissue below the skin. predict what caused the severity of this infection.

The severity of this infection may be caused by a bacteria that causes tetanus.

Explanation:

Tetanus is an infection caused by a specific bacteria, it appears in open wounds, like for instance a cut such as this case. Since this bacteria comes from the floor, or soil or dust it can defenetly contaminate an opend wund. This sort of infections can be really dangerous, there is a vaccine than can help prevent this.

you should seek treatment when you are seriously thinking of sui.cide, and that can eventually lead to your own death.

i think its pulmonary not sure tho