Epidemiology is concerned with the incidence of disease in populations and does not address the question of the cause of an individual's disease. This question, sometimes referred to as specific causation, is beyond the domain of the science of epidemiology.
Ninetales is the evolved form of Vulpix, who evolves by the use of a Fire Stone, while Alolan Ninetales is evolved with an Ice Stone.
From Wikipedia, the free encyclopedia. Letharia vulpina, commonly known as the wolf lichen (although the species name vulpina, from vulpine relates to the fox), is a fruticose lichenized species of fungus in the family Parmeliaceae.