Dr. Sanjay Gupta dismisses the idea that you can get the flu from the flu shot or from being outside in cold weather. <script type='text/javascript' src='http://i.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='health/2015/01/09/flu-shot-winter-myths-sanjay-gupta-md-nws-orig.cnn' data-size='auto' data-autostart='true'></div>