At only three, Kazi Mahmud Hasan Tarek lost his ability to walk after suffering from polio.
An unvaccinated young adult from New York recently contracted polio, the first US case in nearly a decade, health officials said Thursday.
More than 150 countries have begun switching to a different polio vaccine - an important milestone towards polio eradication, health campaigners say.
At only three, Kazi Mahmud Hasan Tarek lost his ability to walk after suffering from polio.
An unvaccinated young adult from New York recently contracted polio, the first US case in nearly a decade, health officials said Thursday.
More than 150 countries have begun switching to a different polio vaccine - an important milestone towards polio eradication, health campaigners say.