A nurse administers the HPV vaccine in Dallas, Texas in 2007. Jessica Rinaldi/Reuters June 6, 2016 Stories of vaccine‑related harms are influential, even when people don’t believe them Laura Scherer, University of Missouri-Columbia; Brian J. Zikmund-Fisher, University of Michigan; Niraj Patel, University of Missouri-Columbia, and Victoria Shaffer, University of Missouri-Columbia Individual stories of perceived vaccine harms can undermine trust in vaccine safety, even if people don’t believe the vaccine was to blame.