Small children sit and lie down in cribs. A boy in leg braces and wheelchair attempts to walk with the help of a physical therapist. A young boy hooked up to a breathing apparatus lies in bed. A nurse tends to a child in an iron lung. Several children in wheelchairs. A nurse prepares a dose of polio vaccine and administers it to a smiling child. Still of a child with a smallpox covered face. A doctor wipes the face of a crying baby on a bed then puts a plastic them over it. A nurse prepares an injection and injects a baby.