Polio cases have been reduced by over 99.9% worldwide, but the fight isn't over. In this video, we explore why it is critical to remain vigilant. Hear from WHO advisor Dr. Sunil Bahl on the role of surveillance in preventing outbreaks, visit a government lab in India, and follow the collection of an AFP (acute flaccid paralysis) sample. Discover how ongoing efforts are keeping the world closer to a polio-free future.