World Polio Day is celebrated every year on 24 October. It was initiated by Rotary International over a decade ago to commemorate the birth of Jonas Salk, who developed a vaccine against poliomyelitis. World Polio Day 2021 Theme: “One Day. One Focus: Ending Polio – delivering on our promise of a polio-free world!” RELATED Pisces … Continue reading World Polio Day 2021: Know theme and why it is celebrated on October 24