Journal
HUMAN VACCINES & IMMUNOTHERAPEUTICS
Volume 15, Issue 3, Pages 645-657Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21645515.2018.1546525
Keywords
Chickenpox; Varicella Zoster Virus; Chickenpox Vaccine; Immunization Programs; Herpes Zoster
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Although varicella is usually a mild and self-limited disease, complications can occur. In 1998, the World Health Organization recommended varicella vaccination for countries where the disease has a significant public health burden. Nonetheless, concerns about a shift in the disease to older groups, an increase in herpes zoster in the elderly and cost-effectiveness led many countries to postpone universal varicella vaccine introduction. In this review, we summarize the accumulating evidence, available mostly from high and middle-income countries supporting a high impact of universal vaccination in reductions of the incidence of the disease and hospitalizations and its cost-effectiveness. We have also observed the effect of herd immunity and noted that there is no definitive and consistent association between vaccination and the increase in herpes zoster incidence in the elderly.
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