Explained: Why World Polio Day is observed on October 24, where India stands – The Indian Express

India was declared polio-free in January 2014, largely thanks to the pulse polio campaign. (Photo: File/PTI)

 
October 24 is observed as World Polio Day every year in order to call on countries to stay vigilant in their fight against the disease. As per the WHO, since 1980, the cases of wild poliovirus have decreased by over 99.9 per cent as a result of vaccination efforts made around the world.

World Polio Day was established by Rotary International over a decade ago to commemorate the birth of Jonas Salk, who led the first team to develop the vaccine against the disease.

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