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How secure is the smallpox virus?

Smallpox was eradicated decades ago, but does it still pose a threat? Weapons of Mass Destruction Center CEO Randy Larsen spoke with Dr. D. A. Henderson for our Science and National Security Series.

Tags: Randy Larsen , Science and National Security , Dr. D. A. Henderson , smallpox , terrorists ,

Monday - 07/12/2010, 09:37am EDT