What Is Polio?
1. Overview
Polio is a disease that is caused by the poliovirus. The disease has been largely eliminated in the US and other developed countries, but is still prevalent in other parts of the world. It is a very contagious disease, and care needs to be taken not to catch it when in certain parts of the world, particularly Africa and Asia.
The symptoms of the condition can range considerably. In some people, the symptoms are similar to the flu and the disease will cause little to no harm to them overall. In others, the symptoms can be very severe and can result in a fatality.
