فيروس غرب النيل
On the issue of the northward migration of the West Nile virus, according to the Canadian Veterinary Medical Association - BC chapter's Dr. John Twidale, chair of the equine committee, stated that though the West Nile virus has been in British Columbia for five years, 2014 saw the first two cases of West Nile virus in two horses in Cache Creek and Ashcroft, and warned horse owners to get their animals vaccinated.