Diphtheria antitoxin for therapeutic use is in limited supply. A potential source might be affinity-purified antibodies originally derived from plasma of adults who received a booster dose of a vaccine containing diphtheria toxoid. These antibodies might be useful for treating even severe cases of diphtheria.
Keywords: Corynebacterium diphtheriae; antibodies; antitoxin; bacteria; booster; diphtheria; vaccination.