Dr. Anthony Fauci has seen HIV and AIDS evolve from a mystery disease of the 1980s to an international health catastrophe to a disease that many consider a chronic but manageable condition.

One toddler's extreme food allergies have led to a life of constant vigilance and changed life for his whole family. A CNN.com staffer recounts her son Teddy's story.

A orphan from Kenya, a grieving mother in Las Vegas and a quadriplegic in India have been named CNN Heroes finalists for their work as "Medical Marvels."

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Read full story for latest details.
