Polio was never eliminated. It still persists in poor countries and among abject poverty stricken communities.
Wild poliovirus has been eradicated in all continents except Asia, and as of 2020, Afghanistan and Pakistan are the only two countries where the disease is still classified as endemic.[5][6]
Wild poliovirus has been eradicated in all continents except Asia, and as of 2020, Afghanistan and Pakistan are the only two countries where the disease is still classified as endemic.[5][6]
https://en.wikipedia.org/wiki/Polio_eradication