It may also occur as a complication of such disorders as optic neuromyelitis, multiple sclerosis, smallpox, and measles, or as a complication of chickenpox vaccinations. There is no specific treatment for transverse myelitis. Treatment for the disorder is symptomatic. Generally, prognosis for complete recovery from transverse myelitis is not good. Although recovery usually begins between 2 and 12 weeks after onset and may continue for up to 2 years, most individuals are left with considerable disability.
Some individuals show no recovery at all.
Check out state statistics few politicians bothered to look at. New York Times piece about vaccination.