Table 3.
Source and origin of E. coli H1 and H12 strains.
| Serotypea | Nos. of strains | Source | Origin/References |
|---|---|---|---|
| O2:H1 | 1 | Calves feces, diarrhea | Germany, 2010 |
| O2:K2:H1 | 1 | Human blood | Orskov and Orskov, 1984 |
| O4:H1 | 1 | Raw milk cheese | Germany, 2010 |
| O6:H1 | 4 | Pig feces, diarrhea (1), Human (3) | Germany, 2011 Germany, 2009 |
| O6:K5:H1 | 1 | Human feces | Reister et al., 2014 |
| O15:H1 | 3 | Rabbit (2) Human (1) | Switzerland, 2007 Geser et al., 2012 |
| O22:H1 | 2 | Goat cheese (1) Human peritoneum (1) | Germany, 2013 Orskov and Orskov, 1984 |
| O25:H1 | 1 | Dog feces | Germany, 2011 |
| O77:H1 | 1 | salad | Germany, 2009 |
| O79:H1 | 1 | hare | Germany, 2007 |
| O139:H1 | 11b | Pig feces/organs, edema disease Wild boar feces/organs, edema disease | Orskov and Orskov, 1984: Beutin et al., 2008 France, 2013 |
| O149:H1 | 2c | Beef | Germany, 2011 |
| ONT:H1 | 1 | human | Germany, 2011 |
| Or:H1 | 1b | Pig feces, edema disease | Germany, 2014 |
| O1:H12 | 1 | Pig feces | Germany 2007 |
| O9:K9:H12 | 5 | Human peritoneum (1) Surface water (3) Chicken meat (1) | Orskov and Orskov, 1984 Germany, 2013 Germany, 2013 |
| O9:H12 | 4 | Pork | Martin and Beutin, 2011 |
| O11:H12 | 2 | Human (1) Pig feces (1) | Geser et al., 2012 Germany, 2009 |
| O20:H12 | 2d | Calves feces/organs, diarrhea | Germany, 2009 |
| O49:H12 | 1 | Human urine | Orskov and Orskov, 1984 |
| O55:H12 | 2e | Milk, beef | Martin and Beutin, 2011 |
| O79:H12 | 1 | Surface water | Germany, 2011 |
| O98:H12 | 1 | Pork | Germany, 2013 |
| O104:H12 | 2 | Human, diarrhea Surface water | Miko et al., 2013 Germany, 2013 |
| O118:H12 | 3d | Human, diarrhea | Pierard et al., 1998; Beutin et al., 2004 |
| O136:H12 | 4e | Milk Cattle feces | Martin and Beutin, 2011 France, 1998 Canada, 2012 |
| O153:H12 | 3e | beef | Martin and Beutin, 2011 |
| O157:H12 | 3 | Human Pig | Germany, 2007 Kaufmann et al., 2006 |
| ONT:H12 | 2 | Milk Surface water | Germany, 2014 Germany, 2013 |
| Or:H12 | 2e | Cattle feces | Germany, 2010 |
a
This list includes serotype reference strains: Nissle 1917 (O6:K5:H1) (Reister et al., 2014), EH250 (O118:H12), (Scheutz et al., 2012), Su 1242 (O2:K2:H1), E14a (O22:H1), CDC 63-57 (O139:H1), Bi316-42 (O9:K9:H12), U12-41 (O49:H1) (Orskov and Orskov, 1984).
b
Positive for stx2e.
c
Positive for stx1d.
d
Positive for stx2.
e
Positive for stx1.