Four faculties of the Rajarata University have been closed indefinitely due to a viral fever that has spread among students.Accordingly, faculties of the Applied Sciences, Management, Social Sciences and Humanities and the Technology faculty located in Mihintale were closed.The officials said that several students have been treated for viral fever which has spread among students for the past few weeks.A student who was seriously ill with fever had also died after being admitted to the Peradeniya Teaching Hospital.