What bacteria is identified by the Elek test? How does the Elek test work?
Answer: Corynebacterium diphtheriae. Antitoxin (antibody to diphtheria toxin)-coated strips are placed onto agar with C. diphtheriae inoculated at right angles to the antitoxin strips. If toxigenic C. diphtheriae is present, toxin-antitoxin complexes precipitate.
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