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Rare TB case shows difficulty diagnosing, treating children

When a 2-year-old returned sick from a visit to India, U.S. doctors suspected tuberculosis even though standard tests said no. It would take three months to confirm she had an extreme form of the disease — a saga that highlights the desperate need for better ways to fight TB in youngsters in countries that can't afford such creative care.

Drug-resistant tuberculosis is a global health threat, and it's particularly challenging for young children who are harder even to diagnose, much less treat.

Doctors at Johns Hopkins Children's Center are reporting how they successfully treated one of the few tots ever diagnosed in the U.S. with the worst kind — extensively...