Celebrities Who Advocate For Vaccines By Vincent Iannelli, MD / October 19, 2016 / advocacy, Amanda Peet, celebrities, Ewan McGregor, John Oliver, Jon Stewart, Kristen Bell, movies, quotes, Stephen Colbert, videos Celebrities have always lined up to promote vaccines and combat vaccine-preventable diseases. Share this:FacebookTwitterRedditPrintLinkedInPinterestEmailTumblrWhatsAppLike this:Like Loading...