All the deaths occurred at Baba Raghav Das Medical College Hospital here, they said.
Two children each from Gorakhpur and Deoria, and one each from Kushinagar and Bihar succumbed to the disease, they said.
Health office sources said 25 patients showing symptoms of Acute Encephalitis Syndrome (AES) were admitted to BRD-MCH and district hospitals of the region during the period.
With this, the number of AES patients admitted in different government hospitals this year climbed to 2,823, the sources said, adding that 180 patients are still being treated at BRD-MCH.