Operating costs averaged $22650 ($65/day) per inmate in fiscal year 2001 according to this report. It has much more info, tables by state and comparisons to amounts spent on health care, etc. Cost of incarcerating a US prisoner in secure custody in.
Insects can take the blame for some itchy blisters. Scabies are tiny mites that drill into your skin, sometimes leaving curved lines of blisters in their tracks. They often attack the hands, feet, wrists, and under the arms. Flea and bedbug bites can cause little blisters, too. The brown recluse spider has an extra-nasty bite that blisters before bursting to form a painful open sore. If that describes your blister, go to the doctor right away.
Small fluid-filled blisters called vesicles appear on the fingers, hands, and feet. They are most common along the edges of the fingers, toes, palms, and soles. These blisters can be very itchy. They also cause scaly patches of skin that flake or get red, cracked, and painful. Scratching leads to skin changes and skin thickening. Large blisters may cause pain or can get infected.