On Twitter, Anti-Vaccination Sentiments Spread More Easily than Pro-Vaccination Sentiments (image) Penn State Share Print E-Mail 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 Usage Restrictions The image credit must be published along with the image. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.