Zoonosis vs reverse zoonosis. Which statement is correct?

Zoonosis vs reverse zoonosis. Which statement is correct?

• A. Zoonosis is transmission from humans to humans.
• B. Zoonosis is environmental transmission.
• C. Zoonosis is plant-to-animal transmission.
• D. Zoonosis is transmission from animals to humans; reverse zoonosis is transmission from humans to animals.

Answer: (D)

Direction of cross-species transmission is what this item tests. Zoonosis refers to diseases that originate in animals and can spill over to humans. It’s about the animal source rather than humans or the environment. Reverse zoonosis, sometimes called zooanthroponosis, is the opposite direction: humans transmitting a pathogen to animals. That makes the correct statement the one that defines zoonosis as transmission from animals to humans and defines reverse zoonosis as transmission from humans to animals. The idea of transmitting among humans or involving environmental or plant-to-animal routes isn’t what zoonosis centers on, so those descriptions don’t fit.

Direction of cross-species transmission is what this item tests. Zoonosis refers to diseases that originate in animals and can spill over to humans. It’s about the animal source rather than humans or the environment. Reverse zoonosis, sometimes called zooanthroponosis, is the opposite direction: humans transmitting a pathogen to animals.

That makes the correct statement the one that defines zoonosis as transmission from animals to humans and defines reverse zoonosis as transmission from humans to animals. The idea of transmitting among humans or involving environmental or plant-to-animal routes isn’t what zoonosis centers on, so those descriptions don’t fit.