Encephalitis - Inflammation of the brain, often caused by a virus.⏎
Contagion - A general term for any disease-causing infectious agent spread by direct or indirect contact.⏎
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.⏎
Evolution - The change in heritable traits in a population of organisms over successive generations.⏎
Cytokine - A type of protein secreted by cells in the immune system that carries signals that facilitate cell-to-cell communication and help regulate the way the immune system responds to inflammation and infection.⏎