There are very positive and strong connections between animals and humans, but also reasons for concern because about 61% of all human pathogens are zoonotic. The increase in new diseases, is due to increases in world trade, animal translocation, ecological disruptions, climate change, adaptation of pathogens, and changes in the way we raise animals. Animal health and human health are intertwined, and we should be cognizant of the global consequences of international trade in animals and animal products and the impacts of human population growth on the environment