Find out what has our nation's bio-terror experts most worried. Is America really prepared for large-scale germ warfare? Dr. Oz walks you through a deadly scenario. Learn what you can do to stay safe. Click here to take the first aid quiz and see how well you’d do in an emergency.

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You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.