Two demonstration MCNs, one in vascular services and one in neurology with particular reference to stroke, are being evaluated.A wide range of MCN development is being taken forward, covering conditions such as multiple sclerosis, epilepsy, asthma, chronic obstructive pulmonary disorder, hepatitis C and primary immunodeficiency, as well as in areas such as pathology, mental health, learning disabilities and medical receiving in community hospitals.The CHD/Stroke Strategy makes clear that each NHS board should have a cardiac services and a stroke MCN in operation by April 2004.