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Volume 31, Number 7—July 2025

Research

Epidemiologic and Genomic Investigation of Sexually Transmitted Shigella sonnei, England

Hannah CharlesComments to Author , David R. Greig, Craig Swift, Israel Olonade, Ian Simms, Katy Sinka, Kate S. Baker, Gauri Godbole, and Claire Jenkins
Author affiliation: United Kingdom Health Security Agency, London, UK (H. Charles, D.R. Greig, C. Swift, I. Olonade, I. Simms, K. Sinka, G. Godbole, C. Jenkins); University of Liverpool, Liverpool, UK (D.R. Greig, K.S. Baker, C. Jenkins); University of Cambridge, Cambridge, UK (K.S. Baker)

Main Article

Figure 6

Maximum-likelihood phylogenetic tree of clonal complex 152 within nucleotide cluster t25:1 found during an epidemiologic and genomic investigation of sexually transmitted Shigella sonnei from presumptive men who have sex with men, England, 2016–2023. Included in the tree were 1,325 isolates. Blue, t10.377 cluster; green, t10.2218 cluster; red, t10.1814. The outer ring indicates presence of blaCTX-M; red, blaCTX-M-15; blue, blaCTX-M-27; orange, blaCTX-M-134; green, blaCTX-M-55. Presumptive men who have sex with men was defined as cases among male adults (>16 years of age) without a history of travel or where travel history was unknown

Figure 6. Maximum-likelihood phylogenetic tree of clonal complex 152 within nucleotide cluster t25:1 found during an epidemiologic and genomic investigation of sexually transmitted Shigella sonnei from presumptive men who have sex with men, England, 2016–2023. Included in the tree were 1,325 isolates. Blue, t10.377 cluster; green, t10.2218 cluster; red, t10.1814. The outer ring indicates presence of blaCTX-M; red, blaCTX-M-15; blue, blaCTX-M-27; orange, blaCTX-M-134; green, blaCTX-M-55. Presumptive men who have sex with men was defined as cases among male adults (>16 years of age) without a history of travel or where travel history was unknown

Main Article

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Page updated: June 16, 2025
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