Because they are effectively untreatable, CREs are very serious — as many as half of the patients who contract these infections die from them — and they are surprisingly common. In the United States, they have been found in 42 states to this point, in more than 4 percent of all hospitals, and more than 18 percent of “long term acute care” institutions, which offer critical care such as ventilator support for patients who need that level of care for months.

via Where ‘Nightmare Bacteria’ Came From, And How Our Inattention Helped Them Emerge – Wired Science.