A detailed overview of this serious and deadly disease. In the last few years, the avian flu, or bird flu, has become a growing worry around the world. Although avian influenza once infected only birds, the new avian flu virus that has emerged from Asia can be passed on from birds to humans with deadly results. The World Health Organization and the Centers for Disease Control and Prevention are closely monitoring what could be the next deadly flu pandemic, especially the possibility of the virus mutating into a strand that could be transmitted from human to human. Avian Flu examines the history and science of this disease, as well as how it affects the body. The symptoms and treatments are also covered, bringing forward vital information on this timely topic.