Measuring vaccine confidence: analysis of data obtained by a media surveillance system used to analyse public concerns about vaccines

The intensity, spread, and effects of public opinion about vaccines are growing as new modes of communication speed up information sharing, contributing to vaccine hesitancy, refusals, and disease outbreaks. We aimed to develop a new application of existing surveillance systems to detect and characterise early signs of vaccine issues. We also aimed to develop a typology of concerns and a way to assess the priority of each concern.

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May 2013

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The Lancet Infectious Diseases

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