The growth of managed care in the U.S. was spurred by the enactment of the Health Maintenance Organization Act of 1973. While managed care techniques were pioneered by health maintenance organizations, they are now used by a variety of private health benefit programs.
1 Cellulitis is a spreading bacterial infection of the skin and tissues beneath the skin. 2  Staphylococcus and Streptococcus are the types of bacteria that are usually responsible for cellulitis, although many types of bacteria can cause the condition. Sometimes cellulitis appears in areas where the skin has broken open, such as the skin near ulcers or surgical wounds. 2  Symptoms and signs include redness, tenderness, swelling, and warmth of the affected area. 3  Cellulitis is not contagious.
most abscesses are caused by a bacterial infection when bacteria enter your body your immune system sends infection fighting white blood cells to the affected area as the white blood cells attack the bacteria some nearby tissue dies creating a hole which then fills with pus to form an abscessn abscess is a painful collection of pus usually caused by a bacterial infection an abscess can develop anywhere in the body this article focuses on two types of abscess skin abscesses which develop under the skin