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BOSTON (CNN) - One week after the devastating bombings in Boston 50 of the wounded victims are still hospitalized.

Two remain in critical condition, and at least a dozen survivors have had amputations.

One of those survivors is 32-year-old dance instructor Adrianne Haslet-Davis. She lost her foot and part of her lower leg in last week's blasts as she watched the marathon with her husband, Air Force Captain Adam Davis.

She spoke to CNN's Anderson Cooper about how she discovered her injury.

"I woke up and my parents were there and I hugged them and kissed them and I said, 'Mom, can you help me? I feel like my foot's falling asleep because it feels like my ankle is falling off of the pillow and my foot is half on.' And I realized that now that was phantom pain because she looked at me and said, 'Adrienne, you don't have a foot. Your foot is gone.' I just lost it. It was really hard to hear," said Haslet-Davis.

Despite having lost part of her leg, Haslet-Davis is vowing to dance again and to run in next year's Boston Marathon.

Her husband was also injured in the blast, but not as seriously.