The authors studied the feasibility of using an internet-based panel survey to obtain timely and accurate population-based data on influenza vaccination. They surveyed a nationally representative sample of US adults (n = 3043) via the internet about use of influenza vaccination during the 2007-8 influenza vaccination season. The authors compared the internet-based rates to those from the 2004 and 2008 National Health Interview Surveys (NHIS). The internet-based rates were comparable to those from the NHIS and were obtained in less than six weeks following the end of influenza vaccination season. The authors conclude that an internet-based approach can yield accurate estimates of end-of-season influenza vaccination rates in time to support improved management of the subsequent season.
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