Which patient groups have the highest prevalence of shigellosis?

Updated: Aug 20, 2021
  • Author: Heba Rashid Ashraf, MD; Chief Editor: BS Anand, MD  more...
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Answer

No racial or sexual differences exist in Shigella infections. However, reactive arthritis, which is a triad of arthritis, urethritis, and conjunctivitis, occurs most commonly in men aged 20-40 years, and it occurs 2-4 weeks after infection with the Shigella species. Reactive arthritis is associated with the human leukocyte antigen (HLA)–B27 phenotype. The arthritis is asymmetric and can be chronic and relapsing.

Shigellosis is most common in children aged 6 months to 5 years. [4, 20]


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