Tetanus jab may curb multiple sclerosis risk (Reuters)

NEW YORK (Reuters Health) - Vaccination against tetanus may offer protection against the development of multiple sclerosis (MS), according to a new study from Boston-based researchers. Dr. Miguel A. Hernan and colleagues from Harvard School of Public Health pooled data from nine studies published between 1966 and 2005 that looked at the association between tetanus vaccination and MS risk. Analyses centered on a total of 963 MS cases and 3126 controls. They found that a history of having been immunized ...