Zoonosis definition

An animal disease that may be transmitted to humans. (Alcamo’s Fundamentals of Microbiology)

Any disease primarily of animals that is occasionally transmitted to humans. (Brock Biology of Microorganisms)

An infectious disease indigenous to animals that humans can acquire through direct or indirect contact with infected animals. (Foundation in Microbiology by Talaro and Chess)

A disease that occurs primarily in wild and domestic animals but can be transmitted to humans. (Microbiology: An Introduction by Tortora, Funke, and Case)

A disease that can be transmitted from animals to humans. (Prescott’s Microbiology)