ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2026
Retail wet markets, food handlers, and hospitalised patients as nodes in a shared non-typhoidal Salmonella ecosystem: a one health molecular epidemiological pilot study in Wuhan, China.
Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundNon-typhoidal Salmonella (NTS) is a leading foodborne pathogen in China, yet the transmission dynamics linking retail wet markets, food handlers, and hospitalised patients remain poorly characterised. Using a One Health framework, we investigated whether genotypically related Salmonella populations circulate across these three source categories in Wuhan.
methodsThirty-two non-duplicate Salmonella isolates were recovered from retail meat at four wet markets (n = 9), anal swabs of food handlers (n = 7), and stool cultures of paediatric inpatients (n = 16) in Wuhan (June 2022-September 2023). All isolates underwent serotyping, antimicrobial susceptibility testing (17 agents), resistance gene PCR, biofilm assay, and XbaI-PFGE genotyping.
resultsNineteen isolates (59.4%) were multidrug-resistant (MDR). bla
conclusionsFood handlers may represent an underexamined node connecting retail food environments and hospitals in this NTS ecosystem. These findings support integrating food-handler surveillance into food safety and hospital infection control programmes, with WGS recommended to confirm or refute the candidate clusters identified by PFGE.
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