New immigrants, refugees and internationally adopted children may lack immunizations and immunization records. But this disease, a reactivation of the chicken pox virus which presents with pain and a rash of small blisters, can alter your life. The protective effect of the HZ vaccine has been shown in a large clinical trial; however, the effectiveness of the vaccine decreased with age of vaccination. Goats showed no clinical signs prior to abortion. According to Intervet/Schering Plough, an ILT infection in a broiler flock can cause “excessive mortality and negatively impact performance,” The virus can lead to morbidity rates ranging from 50 to 100 per cent, with a mortality rate of 10-20 per cent, but sometimes as high as 70. Side effects and allergic reactions can occur. Because, in the Shingles Prevention Study , herpes zoster vaccine efficacy against herpes zoster decreased with age (from 64% among subjects aged 60–69 years to 38% among subjects aged ⩾70 years) and vaccine efficacy against PHN remained constant with age (66% among subjects aged 60–69 years and 67% among subjects aged ⩾70 years), additional vaccine efficacy against PHN would be expected to be age dependant.
Pain severity and duration were associated with greater productivity loss. This type of aberrant immune system response is the basis of autoimmune diseases.