New Vaccine Surveillance Network (NVSN)

The New Vaccine Surveillance Network (NVSN) includes study sites that focus on population-based surveillance and data collection on the use and impact of vaccines and the impact of vaccine policies. Since 2006, NVSN sites have conducted active, population-based surveillance for hospitalizations and outpatient visits associated with acute gastroenteritis (AGE) in children (2006-present). NVSN sites have conducted surveillance for acute respiratory illness (ARI) from 2000 to 2009, and again beginning in 2015.

NVSN sites conduct studies relevant to vaccines and vaccine recommendations. Study topics include rotavirus and influenza vaccine effectiveness, the cost-benefit of vaccine programs, coverage of new childhood vaccines, and feasibility studies of new vaccine implementation recommendations. NVSN sites are supported by a cooperative agreement with CDC.

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