From animals to humans
A zoonosis is an animal disease, such as rabies, which can be passed to humans.
Zoonosis is the term used to describe diseases that can be transmitted from animals to humans.
zoonosis
In ortho-zoonosis there's no developmental change during transmission. It happens by direct contact or by a mechanical vector. e.g. rabies, brucellosis, trichinellosis.
A zoonose is another term for a zoonosis - an animal disease, such as rabies or anthrax, which can be transmitted to humans.
Leptospirosis is called a zoonosis because it is a disease of animals that can be transmitted to humans. It can be a very serious problem in the livestock industry.
no
The term that best describes the movement is gradual.
Zoonoses
The term that best describes the movement is gradual.
Other means of prevention simply rely on care. People living in areas where Lyme disease is common are warned to take precautions against the bite of the deer tick, which transfers the disease.
For other zoonotic diseases, programs are in place to eliminate the host, or the vector that spreads the disease. Plague is prevented by elimination of the rats--a common source of the infection--and of fleas that carry the disease from rats to humans.