Varicella vaccine after the vaccine was recommended in the US, the CDC reported as much as a 90% drop in chickenpox cases, a varicella-related hospital admission decline of 71% and a 97% drop in chickenpox deaths among those under 20. Vaccines are less effective among high-risk patients, as well as being more dangerous because they contain attenuated live virus. In a study performed on children with an impaired immune system, 30% had lost the antibody after five years, and 8% had already caught wild chickenpox in that five-year period. Herpes zoster (shingles) most often occurs in the elderly and is only rarely
Huntington's disease may be beneficial as it translates into long term maintenance of motor and functional performance. Rehabilitation during the late stage aims to compensate for motor and functional losses. For long-term independent management, the therapist may develop home exercise programs for appropriate people. Additionally, an increasing number of people with Huntington's disease are turning to palliative care, which aims to improve quality of life through the treatment of the symptoms and stress of serious illness, in addition to their other treatments. Tetrabenazine was approved in 2000 for treatment of chorea in Huntington's disease in the EU, and in 2008 in the