shimla at least 99 students and 23 staff members of an elite residential public school in himachal pradeshs dalhousie resort in chamba district have been tested positive for coronavirus officials saiddeputy commissioner dc rana told the media that all patients of dalhousie public school were asymptomaticall of them have been kept in isolation and a medical team is monitoring their health he saidthe school was set up in 1970 and it has several students from nonresident indian families and prominent personalitiesthe government has already closed all educational institutions in the state till april 15 owing to spike in coronavirus caseshowever the teaching and nonteaching staff will perform dutythe coaching centres and all medical dental and nursing institutions will remain open in strict compliance of the sops issued by the health department an official statement saidthe educational institutions having residential facility can remain open too