David Heymann, long-time public health expert, discusses what lessons smallpox eradication teaches us in eradicating a disease, and why it is critical to complete the job of polio eradication.

Six-year-old Wilma Rudolph was different from the other kids. They could walk, run, and jump, but she was hampered by a paralyzed, twisted left leg.

"Polio can’t be cured, but it can be prevented. Two important tools help to prevent polio – two safe, effective vaccines. Find out about the oral polio vaccine and the inactivated poliovirus vaccine and their roles in the polio eradication effort."

“Polio is largely seen as the gold standard for global health professionals working in disease eradication." "Thanks to international collaboration and the leadership of national governments, polio cases have fallen."