Aktas did not specify whether the patient was a boy or a girl. Results returned were positive for the H5N1 strain, making it the fourth victim from the village of Dogubayazit.
A US team of experts started work in Turkey Tuesday to help local officials in their efforts to combat the outbreak as the Turkish government said it had the situation under control.
The Turkish health ministry identified the new case of H5N1 infection as a child from the remote eastern town of Dogubeyazit, near the border with Iran, from where the four dead also hailed.
In Van, five-year-old Muhammed Ozcan, the brother of one of the four victims, was reported in deteriorating condition.