World Polio Day: Global effort to eradicate the disease.
Polio is infectious, can cause paralysis, and has no cure.
Significant progress with over 99% reduction in cases since 1988.
Global Polio Eradication Initiative (GPEI) vital in reducing cases.
Challenges remain, including vaccine hesitancy and conflict zones.
COVID-19 added complexity to polio eradication efforts.
Strong healthcare systems and global cooperation are crucial.