Contact: Barbara K.Kennedy
Caption: On Twitter, a research team tracked the pro-vaccine and anti-vaccine messages about a new vaccine for combating a virus strain responsible for swine flu, and then observed how Twitter users expressed their own sentiments about the vaccine. The results may help health officials improve strategies for vaccination-awareness efforts. This image is a network diagram showing connected Twitter users expressing negative (red) and positive (green) sentiments about vaccination. More information is online at http://www.science.psu.edu/news-and-events/2013-news/Salathe3-2013.
Credit: Salathé lab, Penn State University
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Related news release: On Twitter, anti-vaccination sentiments spread more easily than pro-vaccination sentiments