Contagious diseases carry through to be a dominant health hazard in all developing and developed countries, in addition to USA. Fortunately medical research continues to give us new tools to tackle at least some of these problems. New vaccines are being discovered. These help in opposing and resisting life threatening and debilitating diseases. Chicken Pox or Varicella Zoster is an infectious disease. It is generally not life threatening. Approximately 3.9 million cases of chicken pox occur each year in the United States, killing an estimated 90 persons (0.0023% death rate).
