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Chickenpox Vaccines
New findings in chickenpox vaccines described from Centers for Disease Control and Prevention
May 21st, 2008
Research findings, 'Varicella vaccine effectiveness in the US vaccination program: a review,' are discussed in a new report. "Varicella vaccine (Varivax, Merck) has been available in the United States since 1995. We reviewed published results of postlicensure studies of vaccine effectiveness," scientists writing in the Journal of Infectious Diseases report. "Among 19 studies, 17 reported on the effectiveness of vaccine received before exposure, and 2 reported on effectiveness after exposure. Studies used retrospective and prospective cohort, case-control, and secondary attack rate (household contact) designs. The majority of estimates assessed protection against...
Source: Vaccine Weekly (2008-05-21)
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