Fact-check Tags (IMAGE) University of California - Davis Caption A UC Davis study showed that those exposed to fact-checking labels were more likely to develop more positive attitudes toward vaccines than misinformation alone. The illustration shows an example of a tagged tweet and mock messaging on a mock twitter page created by researchers. Credit Jingwen Zhang/courtesy illustration Usage Restrictions None License Licensed content 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.