MyelitisPoliomyelitisPoliovirus VaccinesNeuromyelitis OpticaMyelitis, TransversePoliovirus Vaccine, OralColon, TransverseNeuroschistosomiasisAquaporin 4Muscle HypotoniaPostpoliomyelitis SyndromePoliovirusMethylprednisoloneImmunization ProgramsMagnetic Resonance ImagingSpinal CordTransverse SinusesDisease EradicationParaplegiaCentral Nervous System HelminthiasisTabes DorsalisMeningitis, AsepticDemyelinating Autoimmune Diseases, CNS