"The virus actually infects the central nervous system, the spinal cord, causes injury to some of the cells, and that's what causes the paralysis," said Dr. William Haffner with Vanderbilt University.
"In a circumstance like that, the virus actually infects the central nervous system, the spinal cord, causes injury to some of the cells, and that's what causes the paralysis," said William Haffner with Vanderbilt University.