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Three-dimensional representation of Neisseria pili

Three-dimensional computer-generated image of Neisseria diplococcal bacteria. Extending from the organisms’ exterior are type IV pili, or hair-like appendages, which improve surface adherence. The artistic recreation was based on scanning electron microscopic imagery. Image by Alissa Eckert, Medical Illustrator, for the Antibiotic Resistance Coordination and Strategy Unit, Centers for Disease Control and Prevention, 2013. (Courtesy of the Public Health Image Library, Centers for Disease Control and Prevention.)

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  • asplenia
  • deficiency of a terminal complement component (C5-9)
  • deficiency of properdin