Task: Translation
Input (English): WHO estimates that 75% of the cases have occurred in children under the age of 5 years old.
Output (Lao): ດັບເບີ້ຍູເອັດຈ໌ໂອປະເມີນວ່າ 75% ຂອງການຕິດເຊື້ອເກີດຂື້ນໃນເດັກນ້ອຍອາຍຸຕ່ຳກວ່າ 5 ປີ.