Scientists study vibrio and likelihood of infection

WE'VE HEARD A LOT OF STORIES THIS YEAR ABOUT FLESH EATING BACTERIA-- LURKING IN THE GULF. THE TRUTH IS-- IT'S *ALWAYS BEEN THERE. WHICH MEANS WE'VE PEACEFULLY CO-EXISTED WITH IT FOR YEARS. TONIGHT... DOCTOR JO EXPLAINS THE REALITY--AND THE RISKS--OF EXPOSURE TO VIBRIO.