Interferon - A type of protein produced by cells of the immune system that help keep viruses, bacteria, and cancer cells from growing.⏎
Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎
Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Habitat - The specific geographical area or physical environment that is inhabited by an organism or a population of organisms.⏎