Zoonotic Diseases Are Transmissable from Animals to Humans

Essay

Zoonotic diseases are transmissable from animals to humans.These include ringworm, a fungus which infects pets and people, plague, a bacterial disease resulting from a flea bite to mammals including humans, and rabies, a viral disease of the central nervous system that affects all mammals and is almost always fatal.On the other hand, the feline immunodeficiency virus has no effect on humans and human immunodeficiency virus has no effect on cats, though each may be deadly to its normal host.Speculate on what may prevent cross-species infection in some cases and allow it in others.