An estimated 60% of known infectious diseases and up to 75% of new or emerging infectious diseases are zoonotic in origin (1,2).
How many human diseases are zoonotic?
There are over 150 zoonotic diseases worldwide, which are transmitted to humans by both wild and domestic animal populations, 13 of which are responsible for 2.2 million deaths per year.
What percentage of diseases are from animals?
Scientists estimate that more than 6 out of every 10 known infectious diseases in people can be spread from animals, and 3 out of every 4 new or emerging infectious diseases in people come from animals.
How many zoonotic viruses are there?
There are just over 250 known zoonotic viruses—viruses that have previously spilled over from animals to humans and caused disease in people (4).
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