In its early stages, poliomyelitis — known as polio — causes fatigue, headaches, stiffness and limb pain after exposure to the poliovirus, according to the World Health Organization ...

He has, however, recently told a crowd of reporters that he was “all for” the polio vaccine and downplayed his anti-vaccine record to senators this week. Here is what we know about polio as a ...

Here is what we know about polio as a disease, its vaccines and the likely number of lives saved through inoculation. In its early stages, poliomyelitis — known as polio — causes fatigue ...