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What is Investigation of choice of diphtheria carrier is and explain in detail?
One or two swabs from the lesions are collected under vision, using a tongue depressor. Smears stained with methylene blue or one of the special stains (Neisser's or Albes) will show the bacilli with metachromatic granules and in the typical arrangement. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 242