This is a guest blog post by Pam Hayes.
When I was a young girl, I remember meeting a woman at my church who walked with a severe limp. After speaking with her one morning, I turned to my mom and asked, "Why is it so hard for her to walk?" She replied quietly, and with a heavy heart, "She had polio, sweetie. Walking will always be difficult for her." As I watched her painfully walk away, I remember thinking, "What's polio?"