BAITADI: Around 150 students at Sharada Secondary School of Masta VDC in Bajura district have fallen ill, the school administration said. School teacher Krishna Prasad Upadhyay said that the students have shown symptoms of viral fever including headache and vomiting. He added that they are on the verge of closing the school due to this situation. The school has more than 300 students. Milan Silwal of the District Public Health Office said that the students are suffering from viral fever. A health has been dispatched to the affected area, he added.