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.
Cellulitis is a common but potentially serious bacterial (streptococcus or staphylococcus) infection of the skin and its underlying tissue. It typically affects the lower legs, but can occur anywhere on the body or face. Infections on the face are more common in children and older adults.