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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following statements are true about diphtheria except:
assistant
The correct answer is  Ans. C. Toxin detection is done by ELISA test in serum.Toxin is produced locally and is absorbed from the local site of multiplication causing toxemia. However, toxin may not always be detectable in the serum.