World Polio Day is observed on October 24th every year to raise awareness about polio eradication.
The polio vaccine was developed by Dr. Jonas Salk, an American scientist, in the 1950s.
It comes in two forms: oral polio vaccine (OPV) and inactivated polio vaccine (IPV).
The vaccines prevent poliomyelitis, commonly known as polio, a highly contagious viral disease that can cause paralysis.
India was declared polio-free in 2014, marking a significant milestone in the global effort to eliminate polio.

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