THE INCIDENCE OF TETANUS The present inquiry has been instigated by the occurrence of a case in which tetanus developed and proved fatal in an entirely unsuspected industrial accident; unsuspected both from the circumstances of the injury and the nature of the wound itself. Reference to government reports shows that in the U. S. Registration area the number of deaths per year from tetanus is about 1,500. Not a large figure perhaps but too large for a preventable disease and one for which we have a presumably specific antitoxin. The principal points to be inquired into seemed to be: (1) How much of a burden is this disease to industry? (2) Can definite plans be developed for more systematic prophylactic injections of antitetanic serum? (3) Can the present very unsatisfactory plans of treatment be improved? In order to get information from widespread sources, 2,000 questionnaires were sent to the entire