Which of the following is a rapid growth medium for Klebs-Loeffler Bacillus?: (A) Cysteine-tellurite blood agar, (B) Loeffler’s serum slope, (C) Nutrient broth, (D) None of these
Answer is B. Klebs-Loeﬄer Bacillus is another name of Corynebacterium diphtheria.
→ Enrichment is necessary.
→ Selective media: Cysteine-Tellurite blood agar or Tinsdale medium.
→ For rapid growth: Loeﬄer's serum slope (also for TB).
→ Special stain to see granules - Albert's, Neisser's and Ponder's. Granules are also called as Polar bodies since arranged in poles.