Varicella vaccine health system. In the United States it costs between 100 and 200 USD. Varicella vaccine is 70% to 90% effective for preventing varicella and more than 95% effective for preventing severe varicella. Follow-up evaluations have taken place in the United States of children immunized that revealed protection for at least 11 years. Also, studies were conducted in Japan which indicated protection for at least 20 years. People who do not develop enough protection when they get the vaccine may develop a mild case of the disease when in close contact with a person with chickenpox. In these cases, people show
Chronic Lyme disease whereby pseudomedicine is legislated into practice. The term "chronic Lyme disease" is distinct from untreated late-stage Lyme disease, which can cause arthritis, peripheral neuropathy and/or encephalomyelitis. Chronic Lyme disease is also distinct from the 'post-treatment Lyme disease syndrome' (PTLDS)", when symptoms linger after standard antibiotic treatments. PTLDS is estimated to occur in less than 5% of people who had Lyme disease and were treated. In many cases there is no objective evidence that people who believe they have chronic Lyme have ever been infected with Lyme disease: standard diagnostic tests for infection are often negative. While it is undisputed people