CD40LG and non-human animal disease: ▪ A web-based national animal disease notification system allows the notification of animal diseases.  ▪ Passive surveillance in equidae in the whole country.  ▪ Random IgM screening in horses living in non-affected areas.  ▪ Bird surveillance focuses on WNV detection in resident target species; immunological response among poultry of rural farms and migratory birds; and bird mortality.