With a surge in cases of mystery condition, CDC seeks help to crack case

With a surge in cases of mystery condition, CDC seeks help to crack case

With a surge in cases of mysterious polio-like condition, CDC appeals to doctors to help crack case

By HELEN BRANSWELL

DAVID J. PHILLIP/AP

Health authorities still don't know exactly what causes acute flaccid myelitis, or AFM, a condition that affects young children.

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