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 occurs when certain types of bacteria enter through a cut or crack in the skin. Cellulitis is commonly caused by staphylococcus and streptococcus bacteria. In 50 to 60 percent of cases, skin injuries such as cuts, insect bites, or surgical incisions are the cause of the infection.ellulitis can also spread to your lymph nodes and bloodstream. If cellulitis is not treated, the infection might spread and become life-threatening. If you experience symptoms of cellulitis, itâs important to seek medical attention right away.