To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/38457" allowfullscreen></iframe> NBC chief medical editor Nancy Snyderman defended vaccines against charges they cause autism ... NBC "Today" Oct. 30.
