Shigellosis in Taiwan: An old enteric pathogen with changing epidemiology and increasing antimicrobial resistance

Chin Shiang Tsai, Jiun Ling Wang, Ying Shu Liao, Mizuho Fukushige, Chien Shun Chiou, Wen Chien Ko

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)


While the incidence of shigellosis has decreased in developed nations due to improved living conditions and healthcare systems, it remains prevalent in economically developing regions. In recent years, a resurgence of shigellosis has been observed in the United States, Europe, and Taiwan, primarily among men having sex with men and people living with human immunodeficiency virus, along with a rise in antimicrobial resistance. This study aims to review the historical epidemiological trends and drug resistance in shigellosis, with a focus on Taiwan. A comprehensive search was conducted using various databases and sources, including non-English literature in Japanese and Chinese. In developed countries, Shigella sonnei and Shigella flexneri are the most common species, while Shigella dysenteriae infections are sporadic. In Taiwan, the classification and prevalence of Shigella species have evolved over time, with S. flexneri and S. sonnei being the predominant strains. Fluoroquinolone resistance and azithromycin non-susceptibility are the ongoing threat. In conclusion, shigellosis remains a significant global health concern, with recent increases in certain populations and antimicrobial resistance. Further research is necessary to understand the clinical significance and risk factors associated with asymptomatic carriers and to assess the impact of behavioral modifications and interventions in high-risk populations.

Original languageEnglish
Pages (from-to)346-353
Number of pages8
JournalJournal of Microbiology, Immunology and Infection
Issue number3
Publication statusPublished - 2024 Jun

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • General Immunology and Microbiology
  • Microbiology (medical)
  • Infectious Diseases


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