Although polio has been eliminated as an endemic disease in the United States, that isn’t true for other parts of the world. The US Centers for Disease Control and Prevention issued a Level 2 travel ...

Regarding the Dec. 14 article “RFK Jr. ally petitioned FDA on polio vaccine’s approval”: Polio used to be a fearsome adversary. In 1952, the peak year for infections in the United States, polio struck ...

What exactly is polio, and how does it spread? If the United States no longer has ongoing transmission, why are travel alerts still necessary? Which parts of the world are seeing poliovirus ...