Encephalitis - Inflammation of the brain, often caused by a virus.⏎
Evolution - The change in heritable traits in a population of organisms over successive generations.⏎
Gene - The physical and functional unit of heredity made up of DNA. Every individual has two copies of each gene, one inherited from the mother and the other from the father.⏎
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.⏎