They say an ounce of prevention is worth a pound of cure. And when it comes to childhood immunizations, it can be easy to forget just how important they are. Geoffrey Johnston, an International Affairs columnist with the Kingston Whig-Standard, joins Andrew Pinsent on CFRA Live.

<p>They say an ounce of prevention is worth a pound of cure. And when it comes to childhood immunizations, it can be easy to forget just how important they are.&nbsp;Geoffrey Johnston, an International Affairs columnist with the Kingston Whig-Standard, joins Andrew Pinsent on CFRA Live.</p>