“People who have had polio can get a post-polio syndrome. Polio can be prevented through immunization. Polio vaccine, given multiple times, almost always protects a child for life.”
CDC (Center for disease control and prevention)
“People who have had polio can get a post-polio syndrome. Polio can be prevented through immunization. Polio vaccine, given multiple times, almost always protects a child for life.”
CDC (Center for disease control and prevention)