Table 1 Shigella sp. isolates used in this study
From: Horizontal antimicrobial resistance transfer drives epidemics of multiple Shigella species
Species/Serotype | Isolate set | Reference | Selected | Function in this study | Number |
|---|---|---|---|---|---|
S. flexneri 2a | English representative subsample, 2008–2014 | This study | Representatively 9% (32 of 368 cases) of travel, 18% (147 of 820 cases) of non-travel-associated cases | Primary data set under study | 179 |
French representative subsample, 2009–2014 | This study | Representative of isolates received | Determine whether English MSMA sublineages were present internationally | 40 | |
S. sonnei | English representative subsample, 2008–2014 | This study | Representatively 3% (45 of 1539 cases) of travel, 8% (142 of 1751 cases) of non-travel-associated cases. Age-restricted (16–60 years old) to explore circulation in adults. | Primary data set under study | 187 |
French representative subsample, 2009–2014 | This study | Representative of isolates received | Determine whether MSMA sublineages were present internationally | 75 | |
UK 2015/16 MSMA clusters | Identified as MSMA clusters, see reference | Determine whether MSMA sublineages identified in English representative subsample remained in circulation in 2015/16 | 50 | ||
S. flexneri 3a | MSMA sublineage isolates | Representatively 20% of all isolates, see reference | Used to examine the horizontal transmission of pKSR100 | 206 | |
Total | 737 | ||||
Total (this study) | 481 |
