Journalist Tara Haelle shares historical insight into why some people are vaccine hesitant — and argues that empathy can help combat this global health threat. This talk was filmed at TEDxOslo. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.