Table. Characteristics of Salmonella enterica serovar Heidelberg isolates recovered from human infections, food-producing animals, poultry meat, and other sources, the Netherlands, 1999–2013*.
| Source | 1999–2001 | 2002–2004 | 2005–2007 | 2008–2010 | 2011–2013 |
|---|---|---|---|---|---|
| Human infections | |||||
| No. isolates studied | 13 | 10 | 22 | 23 | 15 |
| Resistance phenotypes (no.) | Amp (1), AmpCol (1), AmpSmxTmpStr (1), AmpTetSmxTmpStr (1), SmxStr (1), Str (5), TetSmxTmpStr (1), WT (2) | AmpSmxStr (1), AmpTetSmx (1), SmxStr (3), Str (1), TetSmxStr (1), WT (3) | AmpFotTazStr (1), AmpSmxTmpNalCip (1), AmpTet (1), NalCip (2), SmxStr (1), Tet (1), TetSmxNalCip (1), WT (14) | ChlCol (1), Col (10), Str (1), StrCol (5), TetCol (1), TetNalCip (1), TetSmxTmp StrCol (1), TetStr KanCol (1), TetStr SmxCol (1), WT (1) | Col (1), Str (3), TetSmxStr (2), TetSmxTmp (1), WT (8) |
| No. ESCR isolates |
0 |
0 |
1 |
0 |
0 |
| Food-producing animals | |||||
| No. isolates studied | 5 | 16 | 5 | 7 | 13 |
| Resistance phenotypes (no.) | NalCip (1), WT (4) | Amp (3), AmpSmxTmpNalCipStr (2), AmpStr (2), NalCip (5), SmxStrTmp (1), WT (3) | AmpTetSmxTmpNalCip (1), WT (4) | AmpCol (1), AmpFotTazNalCip (1), AmpFotTazTetSmx GenStrKanCol (1), Col (4) | AmpCol (1), AmpFotTazTetSmx (1), AmpFotTazTet SmxNalCip (4), Col (2), TetSmxNalCip (2), TetSmxNal CipGenStrKan (1), WT (2) |
| No. ESCR isolates |
0 |
0 |
0 |
2 |
5 |
| Poultry meat | |||||
| No. isolates studied | 3 | 3 | 15 | 6 | 40 |
| Resistance phenotypes (no.) | AmpTetSmxTmpNalCipStr (1), SmxTmpStr (1), WT (1) | AmpSmxStr (1), WT (2) | NalCip (3), SmxCipGen (1), SmxGen (1), SmxTmpNalCip (1), TetSmxTmp (1), WT (8) | AmpFotTaz (1), AmpFotTazSmxTmp ChlStrCol (1), AmpFotTazStrCol (1), Col (2), NalCipCol (1) | AmpFotTazTetSmx NalCip (26), AmpFotTazTetSmx NalCipCol (1), AmpFotTazTetSmx NalCipGenStrKan (1), AmpFotTaz TetSmxNalCipStr (6), AmpFotTazTetSmx TmpNalCipChl (1), Col (2), TetSmx NalCip (1), TetSmx NalCipGenStr (1), TetSmxNalCipStr (1) |
| No. ESCR isolates |
0 |
0 |
0 |
3 |
35 |
| Other | |||||
| No. isolates studied | 0 | 1 | 0 | 6 | 4 |
| Resistance phenotypes (no.) | WT (1) | Col (2), NalCipCol (1), Str (1), StrCol (2) | AmpFotTazTetSmx NalCip (1), NalCipCol (1), Str (1), TetSmxNal CipGenStr (1) | ||
| No. ESCR isolates | 0 | 0 | 0 | 0 | 1 |
*Amp, ampicillin; Cip, ciprofloxacin; Chl, chloramphenicol; Col, colistin; ESCR, extended-spectrum cephalosporin-resistant; Fot, cefotaxime; Gen, gentamicin; Kan, kanamycin; Nal, nalidixic acid; Smx, sulfamethoxazole; Str, streptomycin; Taz, ceftazidime; Tet, tetracycline; Tmp, trimethoprim; WT, wild type.