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.
However, the most serious is called psittacosis. With this disease, an agent called Chlamydia psittaci causes it, and the disease is also called ornithosis. Birds can be asymptomatic carriers, and may only fall ill when upset, as stress is a major component in all avian diseases.
Hand, foot, and mouth disease (HFMD) is a contagious disease that is caused by different viruses. It usually affects infants and children under 5 years old. Adults can also get the disease.Symptoms of hand, foot, and mouth disease include fever, painful blister-like sores in the mouth, and a rash that may appear as blisters. HFMD is usually mild, and nearly all infected people recover in 7 to 10 days.and, foot, and mouth disease (HFMD) is a contagious disease that is caused by different viruses. It usually affects infants and children under 5 years old. Adults can also get the disease.