The virus can cause encephalitis, a potentially fatal swelling of the brain, or meningitis, inflammation of the membranes surrounding the brain and spinal cord that can be life-threatening.
Health officials are reminding residents to protect themselves against tick-borne diseases after a case of Powassan virus was reported in Sharon, Massachusetts.
Valley News - Forum, Nov 19: A warm thank-you to all the window insert volunteers vnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from vnews.com Daily Mail and Mail on Sunday newspapers.