World Polio Day 2020: Everything You Need to Know About the Day and Its Importance

According to the World Health Organisation, polio cases have decreased by over 99% since 1988, from an estimated 350,000 cases to 22 reported cases in 2017.

from Top Lifestyle News- News18.com https://www.news18.com/news/lifestyle/world-polio-day-2020-everything-you-need-to-know-about-the-day-and-its-importance-3001262.html