In March 1991 the Supreme Board of Health issued new recommendations for immunization of children which are basically similar to those issued in 1989, but were partially reformulated. Again, BCG vaccination is not generally recommended and should be given only to individuals at high risk of contracting the disease. It is therefore not listed any more in the general recommendations (A) but only mentioned under special vaccinations (B). Special indications for BCG vaccination were clearly reformulated. Vaccinations against diphtheria-tetanus or pertussis-diphtheria-tetanus are recommended as usual, an oral pertussis vaccine is presently not available and an acellular pertussis vaccine is under study. Booster vaccinations at school entry will be performed with a low dose of diphtheria-toxoid to avoid local side reactions.