Though it is similar to the antibodies a vaccine might train the body to make, ABthrax might be used to immunize rescue workers or soldiers in a single dose.

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Many ads feature kids, like the recent Marriott International spots that show a young guest trying on, and misplacing, her father's shoes. (A Marriott employee comes to the rescue with a new pair.) Sometimes they deliver a dose of schmaltz, using music to great effect.

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