TABLE 2.
Most frequent serovars of nontyphoidal Salmonella from blood isolates from England, 2004 to 2015
| Salmonella enterica subsp. enterica serovar | Total no. of isolates (n = 116,362) |
No. (%) of blood isolates (n = 2,484) |
Odds ratioa | 95% confidence interval |
|---|---|---|---|---|
| Salmonella Enteritidis | 50,992 | 1,009 (2.0) | Reference | |
| Salmonella Dublin | 227 | 80 (35.2) | 26.96 | 20.39–35.65 |
| Salmonella Panama | 273 | 25 (9.2) | 4.99 | 3.29–7.57 |
| Salmonella Colindale | 191 | 15 (7.9) | 4.22 | 2.48–7.18 |
| Salmonella Poona | 455 | 33 (7.3) | 3.87 | 2.70–5.55 |
| Salmonella Brandenburg | 232 | 15 (6.5) | 3.42 | 2.02–5.80 |
| Salmonella Chester | 336 | 19 (5.7) | 2.97 | 1.86–4.74 |
| Salmonella Heidelberg | 449 | 21 (4.7) | 2.43 | 1.56–3.78 |
| Salmonella Oranienburg | 870 | 38 (4.4) | 2.26 | 1.62–3.15 |
| Salmonella Virchow | 3,017 | 129 (4.3) | 2.21 | 1.84–2.67 |
| Salmonella Bovis-Morbificans | 405 | 15 (3.7) | 1.91 | 1.13–3.20 |
| Salmonella Schwarzengrund | 574 | 21 (3.7) | 1.88 | 1.21–2.92 |
| Salmonella Corvallis | 679 | 21 (3.1) | 1.58 | 1.02–2.45 |
| Salmonella Java | 1,480 | 43 (2.9) | 1.48 | 1.09–2.02 |
| Salmonella Saintpaul | 922 | 22 (2.4) | 1.21 | 0.79–1.86 |
| Salmonella unnamedb | 4,122 | 95 (2.3) | 1.17 | 0.94–1.45 |
| Salmonella Typhimurium | 19,655 | 404 (2.1) | 1.04 | 0.93–1.17 |
| Salmonella Montevideo | 981 | 20 (2.0) | 1.03 | 0.66–1.61 |
| Salmonella Stanley | 1,633 | 28 (1.7) | 0.86 | 0.59–1.26 |
| All other serovars | 24,177 | 381 (1.6) | 0.79 | 0.70–0.89 |
| Salmonella Newport | 2,833 | 31 (1.1) | 0.55 | 0.38–0.79 |
| Salmonella Infantis | 1,859 | 19 (1.0) | 0.51 | 0.32–0.81 |
a
Odds ratio is odds of serotype in blood isolate/odds of S. Enteritidis in blood isolate.
bSalmonella unnamed refers to all isolates that could not be fully typed serologically.