Pertussis other diagnostic studies

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

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Other Diagnostic Studies

• Polymerase chain reaction (PCR)
  • Although PCR may have some limited usefulness in the first few weeks.(0-3 weeks)
• Direct fluorescent antibody (DFA) testing
  • It is inexpensive and provides rapid results
  • It has poor sensitivity and specificity
• Pulsed-field gel electrophoresis (PFGE)
  • It is a DNA fingerprinting technique that may be useful for epidemiological purposes