News|Articles|November 13, 2026

FAQ: XDR Shigella

Here is some important information around this pathogen and the intestinal infection.

Extensively drug-resistant (XDR) Shigella cases continue to rise in Los Angeles County, where the Department of Public Health (LAC DPH) identified 68 cases in 2024, up from 45 in 2023 and 5 in 2021.¹ In June 2025, LAC DPH issued a health advisory warning providers about the increase and the limited antimicrobial options available for treatment.¹ Infections have disproportionately affected men who have sex with men (MSM) and people living with HIV, who accounted for approximately one-third of county XDR cases reported between 2019 and 2024.¹

Related to this article

The Prospective Emergence of XDR Shigella Beyond High-Risk Groups
Los Angeles has been experiencing this challenging bacteria in recent years with the potential of it becoming carbapenem-resistant in the future. Shaun Yang, PhD, D(ABMM), FIDSA, MLS(ASCP), provides commentary about his team's work in this area and the role of genomic sequencing to uncover this troublesome pathogen.
IDSA/ESCMID Statement on Staphylococcus aureus: Follow-Up Blood Cultures
IDSA and ESCMID released 7 consensus statements to assist in managing individuals with SAB. This review will focus on the adult patient population and additional information on pediatric population statements can be assessed in the guideline. Here is a closer look at Consensus Statement 2: Follow-up Blood Cultures.