NOVA Vaccines—Calling the Shots53:10Video duration: 53:10 Aired: 09/10/14 Rating: TV-PGVideo has closed captioning. Examine the science behind vaccinations, the return of preventable diseases, and the risks of opting out. Add to WatchlistBuy this Video:Buy this video on iTunesBuy DVDShare:Share this video on FacebookShare this video on TwitterShare this video via EmailShare this video on Google PlusEmbed Code for this videoEmbed CodeNOVAVaccines—Calling the ShotsPremiere Date: Sept. 10, 2014, 9 p.m.Width in pixels px Height in pixels px Please copy this text to your clipboard×CloseProblems Playing Video ?Report a problemClosed CaptioningReport a ProblemBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.Close×CloseEpisode LinksNOVA's "Vaccines—Calling the Shots" homepageE-Mail NewsletterShop NOVA Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Additional funding provided by the Millicent and Eugene Bell Foundation.