A symposium on Vaccination Against Communicable Diseases, sponsored by the International Association of Biological Standardization, was held in Monte Carlo, March 14 to 17, 1973. During the course of this conference, the progress and problems associated with the use of various vaccines in many countries of the world were discussed in detail. The vaccines included diphtheria and tetanus toxoid combined with pertussis vaccine (DTP), poliovaccine, BCG vaccine, smallpox vaccine, measles, rubella and mumps vaccines, influenza vaccine, and combined live virus vaccines. The following summary and conclusions stem from the detailed proceedings that will be published as one of the symposia series in immunobiological standardization.
DTP and Poliovaccines
Poliovaccines and DTP used in good immunization programs have been shown to be highly effective. However, diphtheria and poliomyelitis are still highly endemic in various parts of the world.Pertussis immunization has been associated with a significant decline in the incidence of