Encephalitis - Inflammation of the brain, often caused by a virus.⏎
Fungi - A taxonomic kingdom of spore-forming organisms distinct from plants, animals, and bacteria that includes microorganisms such as yeast and molds, as well as mushrooms.⏎
Contagion - A general term for any disease-causing infectious agent spread by direct or indirect contact.⏎
Gastrointestinal Tract - The structure in the body, beginning with the mouth and extending to the anus, through which food is ingested, broken down, and absorbed to provide the body with nutrients, and waste products are excreted.⏎
Ecology - A branch of science that deals with the relation of organisms to one another and their physical environment.⏎