NVSN was established to evaluate the impact of new vaccines and vaccine policies through active sentinel surveillance at three U.S. medical centers. The three charter sentinel sites are:
- University of Rochester (Rochester, NY)
- Vanderbilt University (Nashville, TN)
- Cincinnati Children's Hospital Medical Center (Cincinnati, OH)
In 2009, NVSN was expanded to include the following sentinel sites:
- Texas Children's Hospital (Houston, TX)
- Seattle Children's Hospital (Seattle, WA)
- Children's Mercy Hospital and Clinics (Kansas City, MO)
- Children's Hospital and Research Center (Oakland, CA)
Together, the seven-site surveillance network is known as NVSN-Extended System (NVSN-ES).
As new vaccines are developed, licensed and made available for use, surveillance and monitoring are critical to address their impact on communities and populations. NVSN supports broad-based surveillance and research projects for acute gastroenteritis in areas with a population base of at least 500,000.
Learn more about NVSN sites.
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