From ancient history to modern-day wins, the fight against #polio has made incredible progress.
📲 Swipe through to learn:
✨ Where polio still exists
✨ How many children are protected each year
✨ What a U.S. president had to do with polio research
… and more!
A polio-free world is #HumanlyPossible. #EndPolio#WorldImmunizationWeek