Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Poliomyelitis (also known as polio) is a viral disease that is transmitted through contaminated food and water. The highly infectious disease mainly affects children younger than five years of age. Moreover, poliomyelitis is incurable and one in 200 infections leads to paralysis. However, polio can be prevented by repeated vaccination. Learn more about the disease, its causes, treatment as well as efforts to eradicate it in this book.