Poliovirus near extinction in Pakistan, Afghanistan, health experts say

FILE - A health worker administers polio vaccine to a child in a neighborhood of Lahore, Pakistan, Nov. 27, 2023. Pakistan and Afghanistan are the last two countries where the virus continues to paralyze children.

Global eradication efforts have "cornered” polio in a “few pockets” of Pakistan and Afghanistan, the last two countries where the virus continues to paralyze children.