People from Beltar, Basaha and Thokshila have been affected by viral fever since the past week, Shiva Narayan Chaudhary, health assistant at the Beltar Primary Health Center said.
More than 15 people were referred to hospitals after their treatment was not possible here, he said.
Eleven people were treated for viral fever in Basaha region in the past week.
Viral fever grips Galfagad locals in Humla