Table 1. Summary of Kp isolates associated with septicaemia in the Netherlands, 2013–2020.
| Isolate | Age (weeks) | Source from pigs | Farm | Year | Month | MLST | cgMLST | String test | Virulence |
|---|---|---|---|---|---|---|---|---|---|
| 22S00272-1 | na | Lung | 2 | 2013 | January | ST292 | CG292 | Negative | 3 |
| 18S04225-1 | na | Brain | 3 | 2015 | July | ST25 | CG3804 | Positive | 3 |
| 18S04230-1 | 2 | Brain | 3 | 2015 | August | ST25 | CG3804 | Positive | 3 |
| 18S04232-1 | na | Brain | 3 | 2015 | March | ST25 | CG3804 | Positive | 3 |
| 22S00273-1 | na | Spleen | 3 | 2015 | August | ST25 | CG3804 | Positive | 3 |
| 22S00275-1 | 2 | Brain | 3 | 2015 | August | ST25 | CG3804 | Positive | 3 |
| 22S00276-1 | na | Spleen | 3 | 2015 | August | ST25 | CG3804 | Positive | 3 |
| 18S04231-1 | 2 | Brain | 1 | 2017 | August | ST25 | CG25 | Positive | 4 |
| 22S00308-1 | 2 | Brain | 1 | 2017 | August | ST25 | CG25 | Positive | 4 |
| 22S00310-1 | na | Submitted culture | 1 | 2017 | September | ST25 | CG25 | Positive | 4 |
| 18S04229-1 | 3 | Spleen | 4 | 2017 | July | ST25 | CG25 | Positive | 4 |
| 22S00303-1 | 3 | Spleen | 4 | 2017 | July | ST25 | CG25 | Positive | 4 |
| 22S00306-1 | 3 | Spleen | 4 | 2017 | July | ST25 | CG25 | Positive | 4 |
| 18S04228-1 | na | Spleen | 5 | 2017 | August | ST1480 | na | Negative | 3 |
| 18S04226-1 | 3 | Brain | 6 | 2017 | August | ST25 | CG25 | Positive | 4 |
| 18S04227-1 | 3.14 | Spleen | 7 | 2017 | October | ST25 | CG25 | Positive | 4 |
| 22S00283-1 | 2 | Joint | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00290-1 | 2 | Spleen | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00295-1 | 2 | Spleen | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00296-1 | 2 | Spleen | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00299-1 | 2 | Spleen | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00302-1 | 2 | Joint | 8 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00280-1 | 2 | Brain | 9 | 2018 | August | ST25 | CG25 | Positive | 4 |
| 22S00281-1 | 2 | Brain | 9 | 2018 | August | ST25 | CG25 | Positive | 4 |
| 22S00289-1 | 2 | Spleen | 9 | 2018 | June | ST25 | CG25 | Positive | 4 |
| 22S00279-1 | na | Spleen | 14 | 2018 | November | ST25 | CG25 | Positive | 4 |
| 22S00285-1 | na | Liver | 14 | 2018 | November | ST25 | CG25 | Positive | 4 |
| 22S00298-1 | na | Brain | 14 | 2018 | November | ST25 | CG25 | Positive | 4 |
| 22S00292-1 | 2 | Brain | 10 | 2019 | March | ST5 | CG5 | Negative | 4 |
| 22S00282-1 | 6 | Spleen | 11 | 2019 | June | ST37 | CG37 | Negative | 3 |
| 22S00291-1 | na | na | 12 | 2019 | December | ST25 | CG25 | Positive | 4 |
| 22S00300-1 | 1 | Brain | 1 | 2020 | August | ST25 | CG25 | Positive | 4 |
| 22S00294-1 | 104 | na | 13 | 2020 | July | ST219 | CG107 | Negative | 3 |
| 22S00278-1 | na | Brain | 14 | 2020 | April | ST25 | CG25 | Positive | 4 |
| 22S00287-1 | na | Brain | 14 | 2020 | April | ST25 | CG25 | Positive | 4 |
| 22S00293-1 | na | Brain | 14 | 2020 | April | ST25 | CG25 | Positive | 4 |
| 22S00301-1 | na | Brain | 14 | 2020 | April | ST25 | CG25 | Positive | 4 |
| 22S00286-1 | na | Ascites | 15 | 2020 | August | ST25 | CG25 | Positive | 4 |
| 22S00297-1 | na | Mesentery | 15 | 2020 | August | ST25 | CG25 | Positive | 4 |
| 22S00284-1 | na | Mesentery | 15 | 2020 | August | ST25 | CG25 | Positive | 4 |
| 22S00288-1 | na | Ascites | 15 | 2020 | August | ST25 | CG25 | Positive | 4 |
na, not applicable. The virulence score (0–5) was determined by the Kleborate tool as follows: 0, none present; 1, ybt only; 2, clb without iucC (regardless of ybt); 3, iucC only; 4, iucC and ybt without clb; 5, iucC, ybt and clb.