What is the role of serologic antibody titer testing in the workup of pertussis (whooping cough)?

Updated: May 02, 2019
  • Author: Joseph J Bocka, MD; Chief Editor: Russell W Steele, MD  more...
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Answer

Serologic antibody titer testing is available, but often needs to be compared with results 1-2 weeks later and thus is not commonly helpful. The Centers for Disease Control and Prevention (CDC) also performs characterization of B pertussis isolates by serologic and molecular subtyping methods for outbreak support and other public health concerns. Laboratory testing is provided only upon prior communication with the Pertussis and Diphtheria Laboratory, indicating the reason for this service.


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