An 8 years old child is having sore throat with grey-white membrane in throat. Throat swab culture is showing following growth. The causative organism is-: (A) Streptococcus pyogenes, (B) H. influenzae, (C) Corynebacterium, (D) None
Answer is C. Ans. is 'c' i.e., Corynebacterium * Grey-white membrane in throat and block colonies on tellurite agar suggest the diagnosis of Diphtheria, caused by Corynebacterium diphtheriae.