An estimated 60% of known infectious diseases and up to 75% of new or emerging infectious diseases are zoonotic in origin (1,2).
What percentage of human diseases are of animal origin?
In fact, 75 percent of new or emerging diseases originate in animals, and more than 60 percent of known infectious diseases in people, such as the rabies virus, ringworm and salmonella, are transmitted from animals, according to the CDC.
Where do most human diseases come from?
The majority of all human infectious diseases and pandemics have originated through the cross-species transmission of microorganisms from animals to humans, overwhelmingly in the Old World [1, 3].
How many diseases are caused by animals?
There are at least 39 important diseases people catch directly from animals. There are at least 48 important diseases people get from the bite of bugs that bit an infected animal. And there are at least 42 important diseases that people get by ingesting or handling food or water contaminated with animal feces.
What percentage of new emerging diseases are zoonotic in origin?
Some 60% of emerging infectious diseases that are reported globally are zoonoses. Over 30 new human pathogens have been detected in the last three decades, 75% of which have originated in animals [1]. The emerging zoonoses are a growing public health threat in the Eastern Mediterranean Region of WHO.
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