Importance and Value of Trees. Since the beginning, trees have furnished us with two of lifeâs essentials, food and oxygen. As we evolved, they provided additional necessities such as shelter, medicine, and tools. Today, their value continues to increase and more benefits of trees are being discovered as their role expands to satisfy the needs created by our modern lifestyles.
There are diseases that can be transferred to humans from psittacine birds, such as parrots and budgies, such as a viral infection. In addition, people can also show an allergic reaction to feathers and other bird products.
Humans Can Catch Disease and Parasites From Infected Pest Animals. A Zoonotic Disease is a disease that may be passed between animals and humans. This most commonly occurs between birds, rodents, and other pest animals. Below is a partial list of such zoonotic diseases, illustrating part of the reason it's so important to keep pest animals away from humans.