The use of toxoid for the prevention of tetanus neonatorum. Final report of a double-blind controlled field trial

Bull World Health Organ. 1966;35(6):863-71.


With a view to determining the effectiveness of a method for the control of tetanus neonatorum which would be independent of medical examination or care, a double-blind field trial covering 1618 women was conducted between 1961 and 1966 in a rural area of Colombia with an estimated existing tetanus neonatorum death rate of 11.6 per 100 births. The study group was given 1-3 injections of 1 ml of an aluminium-phosphate-adsorbed tetanus toxoid more than 6 weeks apart, and the control group a similar number of injections of an influenza-virus vaccine.There was no statistically significant difference between those in the two groups given one injection. Those in the control group given 2 or 3 injections had a tetanus neonatorum death rate of 7.8 deaths per 100 births, and the corresponding subjects in the study group had none. This difference is unlikely to have occurred by chance.

Publication types

  • Clinical Trial
  • Randomized Controlled Trial

MeSH terms

  • Adolescent
  • Adult
  • Clinical Trials as Topic
  • Colombia
  • Female
  • Humans
  • Infant
  • Infant Mortality
  • Infant, Newborn
  • Infant, Newborn, Diseases / prevention & control*
  • Injections, Intramuscular
  • Maternal-Fetal Exchange*
  • Middle Aged
  • Pregnancy
  • Tetanus / prevention & control*
  • Tetanus Toxoid / therapeutic use*


  • Tetanus Toxoid