Multidrug-resistant Shigella flexneri outbreak affecting humans and non-human primates in New Mexico, USA.

ABSTRACT: Shigellosis is a gastrointestinal infection caused by species of Shigella. A large outbreak of Shigella flexneri serotype 2a occurred in Albuquerque, New Mexico between May 2021 and November 2023 that involved humans and non-human primates (NHP) from a local zoo. We analyzed the genomes of 202 New Mexican isolates as well as 15 closely related isolates from other states, and four from NHP. The outbreak was initially detected within men who have sex with men but then predominantly affected people experiencing homelessness. Nearly 70% of cases were hospitalized and there was one human death. The outbreak extended into Albuquerque's BioPark Zoo, causing high morbidity and six deaths in NHPs. All isolates were multidrug-resistant, including towards fluoroquinolones, a first line treatment opti

SUBMITTER: Shrum Davis S 

PROVIDER: S-EPMC12092818 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature