What Causes Polio? Here’s Doc Willie Ong Revealed about this Disease

What Causes Polio

WHAT CAUSES POLIO – Here are some explanation from doctor Willie Ong about polio, a disease, including the reasons behind it. Polio is one of the health conditions that many people, most especially parents, are scared of. For a thorough discussion on this disease, you can read what Doc Willie said about it below.