A Study to Learn How Well Nifurtimox Works and How Safe it is in Children Aged 0 to 17 Years With Chagas' Disease, an Inflammatory, Infectious Disease Caused by the Parasite Trypanosoma Cruzi

"For pediatric participants with body weight ≤ 40 kg: dosage 10 to 20 mg/kg/day in three divided doses.~For pediatric participants with body weight \> 40 kg: 8 - 10 mg/kg/day in three divided doses.~60 days or 30 days of nifurtimox treatment"

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