Factors affecting the efficiency of combined prophylactics. I. Effect of diphtheria toxoid and pertussis vaccine on tetanus toxoid.

摘要: Summary The effects on the potency of tetanus toxoid for mice adding diphtheria and pertussis vaccine were investigated. Diphtheria in concentrations 0.3 Lf 10 per had no significant effect toxoid. Pertussis densities 100 million 1,500 organisms potent adjuvants latter. dose-response curves 5 variously combined preparations maintained parallelism both their regression portions asymptotic portions.