TABLE 2.
Listeria monocytogenes strains used in this study
| Strain | Immediate sourcea | Isolation source | Isolation yrb | Serovar | Pilot (P) or control (C)c |
|---|---|---|---|---|---|
| LE57E | Finland | Processing environment | 2000 | 1/2a | – |
| LU12/2 | Finland | Pig, feces | 2003 | 1/2a | – |
| AE30E | Finland | Processing environment | 1999 | 1/2a | – |
| LK126 | Finland | Fish | 2000 | 1/2a | – |
| LM86 | Finland | Fish | NA | 1/2a | – |
| MJL41 | Finland | Meat | 2009 | 1/2a | – |
| MJL47 | Finland | Meat | 2009 | 1/2a | – |
| TT82E | Finland | Fish | 1997 | 1/2a | – |
| PE4E/1 | Finland | Processing environment | NA | 1/2a | – |
| HT45E | Finland | Poultry | 1998 | 1/2a | – |
| LK132 | Finland | Fish | 2000 | 1/2a | – |
| TT107E | Finland | Fish | 1998 | 1/2a | – |
| LM210 | Finland | Fish | NA | 1/2a | – |
| MJL43 | Finland | Meat | 2009 | 1/2a | – |
| LMML90 | Finland | Meat | 2004 | 1/2a | – |
| LMML100 | Finland | Meat | 2004 | 1/2a | – |
| L34-s | Finland | Meat | 1999–2001 | 1/2a | – |
| LU26/1 | Finland | Pig, feces | 2003 | 1/2a | – |
| LU103/1 | Finland | Meat | 2003 | 1/2a | – |
| MJL14 | Finland | Processing environment | 2009 | 1/2a | – |
| HL34E/1 | Finland | Processing environment | 1999 | 1/2a | – |
| HT65E/1 | Finland | Meat | 1998 | 1/2a | – |
| LK133 | Finland | Fish | 2000 | 1/2a | – |
| RL22E/1 | Finland | Processing environment | 2000 | 1/2a | – |
| LL16/2 | Finland | Wild bird, feces | 1998 | 1/2a | – |
| L12s | Finland | Poultry | 1999–2001 | 1/2a | – |
| LK36 | Finland | Fish | 1993 | 1/2a | – |
| LK129 | Finland | Fish | 2000 | 1/2a | – |
| TR47E | Finland | Fish | NA | 1/2a | – |
| L47s | Finland | Poultry | 1999–2001 | 1/2a | – |
| LM70 | Finland | Dairy product | 1988 | 1/2a | – |
| LL82/1 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LT3/1 | Finland | Meat | 1999 | 1/2a | – |
| IR17V | Finland | Milk | 1998 | 1/2a | – |
| LT26E | Finland | Vegetable | 2000 | 1/2a | – |
| LM69 | Finland | Dairy product | 1988 | 1/2a | – |
| LT14/1 | Finland | Meat | 1999 | 1/2a | – |
| LT4/1 | Finland | Meat | 1999 | 1/2a | – |
| LA40 | Finland | Bird | 1989 | 1/2a | – |
| LT16/1 | Finland | Meat | 1999 | 1/2a | – |
| LK134 | Finland | Fish | 2000 | 1/2a | – |
| LE27E | Finland | Processing environment | 1999 | 1/2a | – |
| JHM70 | Finland | Milk | 1987 | 1/2a | – |
| HE1E | Finland | Processing environment | 1997 | 1/2a | – |
| LK60/1 | Finland | Fish | 1999 | 1/2a | – |
| LE55E | Finland | Processing environment | 2000 | 1/2a | P |
| LU74/1 | Finland | Meat | 2003 | 1/2a | – |
| RE46E | Finland | Processing environment | 1997 | 1/2a | – |
| JHM339 | Finland | Silage | 1988 | 1/2a | – |
| JHM71 | Finland | Cow, feces | 1987 | 1/2a | – |
| LU49/1 | Finland | Meat | 2003 | 1/2a | – |
| LMML10 | Finland | Meat | 2003 | 1/2a | – |
| LA35 | Finland | Sheep | 1998 | 1/2a | – |
| MJL34 | Finland | Meat | 2009 | 1/2a | – |
| LL51/2 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| L10s | Finland | Meat | 2000 | 1/2a | – |
| LL18/3 | Finland | Wild bird, feces | 1998 | 1/2a | – |
| LU102/1 | Finland | Meat | 2003 | 1/2a | – |
| LT9/1 | Finland | Meat | 1999 | 1/2a | – |
| LU118/1 | Finland | Meat | 2003 | 1/2a | – |
| LT13/1 | Finland | Meat | 1999 | 1/2a | – |
| JHM3 | Finland | Cow, feces | 1987 | 1/2a | – |
| JHM110 | Finland | Cow, feces | 1987 | 1/2a | – |
| LM104/1 | Finland | Vegetable | 1999 | 1/2a | – |
| JHM35 | Finland | Cow, feces | 1987 | 1/2a | – |
| LT33/1 | Finland | Meat | 2000 | 1/2a | – |
| LML46 | Finland | NA | NA | 1/2a | – |
| JHM349 | Finland | Silage | 1988 | 1/2a | – |
| 10B | Finland | Fish | 1999–2001 | 1/2a | – |
| JHM387 | Finland | Silage | 1988 | 1/2a | – |
| LL24/2 | Finland | Wild bird, feces | 1998 | 1/2a | – |
| IR18V | Finland | Milk | NA | 1/2a | – |
| LM110 | Finland | Vegetable | 1999 | 1/2a | – |
| LA68 | Finland | Animal | 1999 | 1/2a | – |
| TE9/1 | Finland | Meat | NA | 1/2a | – |
| MJL2 | Finland | Meat | 2009 | 1/2a | – |
| LT12/1 | Finland | Meat | 1999 | 1/2a | – |
| LK130 | Finland | Fish | 2000 | 1/2a | – |
| LL65/1 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LA61 | Finland | Meat | 1993 | 1/2a | – |
| LU123/1 | Finland | Meat | 2003 | 1/2a | – |
| LK121/1 | Finland | Fish | 2001 | 1/2a | – |
| LK51 | Finland | Fish | 1999 | 1/2a | – |
| LMK1 | Finland | Fish | 1996 | 1/2a | – |
| LU56/3 | Finland | Meat | 2003 | 1/2a | – |
| JHM229 | Finland | Cow | 1975 | 1/2a | P |
| TE27/1 | Finland | Meat | NA | 1/2a | – |
| LA42 | Finland | Cow | 1989 | 1/2a | – |
| MJL1 | Finland | Meat | 2009 | 1/2a | – |
| IR16V | Finland | Milk | 1998 | 1/2a | – |
| LA48 | Finland | Sheep | 1990 | 1/2a | – |
| HR5E | Finland | Meat | 1998 | 1/2a | – |
| LK54/1 | Finland | Fish | 1999 | 1/2a | – |
| LU120/1 | Finland | Meat | 2003 | 1/2a | – |
| LT5/1 | Finland | Meat | 1999 | 1/2a | – |
| LL85/1 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LM298 | Finland | Salad | 2002 | 1/2a | – |
| TL1E | Finland | Processing environment | NA | 1/2a | – |
| LT32/1 | Finland | Meat | 2000 | 1/2a | – |
| TE12/1 | Finland | Animal | NA | 1/2a | – |
| LM111 | Finland | Processing environment | NA | 1/2a | – |
| LL22/8 | Finland | Wild bird, feces | 1998 | 1/2a | – |
| LL52/2 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LMML101 | Finland | Meat | 2004 | 1/2a | – |
| 13M | Finland | Poultry | 2000 | 1/2a | – |
| MJL21 | Finland | Meat | 2009 | 1/2a | – |
| TE4/1 | Finland | Meat | NA | 1/2a | – |
| RE1E | Finland | Processing environment | 1997 | 1/2a | – |
| HR19E/1 | Finland | Meat | 2000 | 1/2a | – |
| 18B | Finland | Fish | 1999–2001 | 1/2a | – |
| L96s | Finland | Poultry | 1999–2001 | 1/2a | – |
| LK89/1 | Finland | Fish | 2001 | 1/2a | – |
| LM136 | Finland | Fish | NA | 1/2a | – |
| LA64 | Finland | Cow | 1994 | 1/2a | – |
| LMML117 | Finland | Meat | 2004 | 1/2a | – |
| LT2/1 | Finland | Meat | 1999 | 1/2a | – |
| LK131 | Finland | Fish | 2000 | 1/2a | – |
| LL83/1 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LMK28 | Finland | Fish | 1996 | 1/2a | – |
| LM84 | Finland | Ready-to-eat food | 1999 | 1/2a | – |
| MJL45 | Finland | Meat | 2009 | 1/2a | – |
| L83s | Finland | Meat | 2001 | 1/2a | – |
| LL66/3 | Finland | Wild bird, feces | 2001 | 1/2a | – |
| LU44/1 | Finland | Meat | 2003 | 1/2a | – |
| LML48 | Finland | Meat | 1996 | 1/2a | – |
| LT22/1 | Finland | Meat | 1999 | 1/2a | – |
| LT23/1 | Finland | Meat | 2000 | 1/2a | – |
| LE52E | Finland | Processing environment | 2000 | 1/2a | – |
| JHM15 | Finland | Milk | 1987 | 1/2a | – |
| LA33 | Finland | Cow | 1998 | 1/2a | – |
| HT101E/1 | Finland | Vegetable | 2000 | 1/2a | – |
| HL90E/1 | Finland | Processing environment | 2000 | 1/2b | – |
| RE74E | Finland | Processing environment | 1997 | 1/2b | – |
| L94s | Finland | Poultry | 1999–2001 | 1/2b | – |
| LML44 | Finland | Meat | 1996 | 1/2b | P |
| LM115 | Finland | Vegetable | 1995 | 1/2b | – |
| LSO885/1 | Finland | Processing environment | 1996 | 1/2b | – |
| LML36 | Finland | Processing environment | NA | 1/2b | – |
| LL31/1 | Finland | Wild bird, feces | 1998 | 1/2b | C, P |
| LM103/1 | Finland | Vegetable | NA | 1/2b | – |
| LA46 | Finland | Sheep | 1990 | 1/2b | – |
| LM116 | Finland | Vegetable | 1999 | 1/2b | – |
| L25s | Finland | Meat | 1999–2001 | 1/2b | – |
| 2904 | Finland | Processing environment | 1990 | 1/2b | – |
| 2919 | Finland | Processing environment | 1996 | 1/2b | – |
| 3129 | Finland | Processing environment | 1994 | 1/2b | P |
| 2920 | Finland | Processing environment | 1996 | 1/2b | – |
| LM105 | Finland | Vegetable | NA | 1/2b | – |
| HT69E | Finland | Meat | 1999 | 1/2c | P |
| L125s | Finland | Meat | NA | 1/2a | – |
| MJL40 | Finland | Meat | 2009 | 1/2c | P |
| HE161E/1 | Finland | Processing environment | 1999 | 1/2c | – |
| RE70E | Finland | Processing environment | 1997 | 1/2c | – |
| AR5E | Finland | Poultry | 1999 | 1/2c | – |
| LM89 | Finland | Processing environment | NA | 1/2c | – |
| HL6E | Finland | Processing environment | 1998 | 1/2c | – |
| HE152E | Finland | Processing environment | 1999 | 1/2c | – |
| AT3E | Finland | Meat | 1995 | 1/2c | – |
| HT93E/1 | Finland | Ready-to-eat food | 2000 | 1/2c | – |
| HT100E/1 | Finland | Poultry | 2000 | 1/2c | – |
| HE28E | Finland | Processing environment | 1997 | 1/2c | – |
| L51s | Finland | Meat | 1999–2001 | 1/2c | – |
| LL40/2 | Finland | Wild bird, feces | 1998 | 1/2c | – |
| LMML65 | Finland | Meat | 2003 | 1/2a | – |
| LMML67 | Finland | Meat | 2003 | 1/2c | – |
| KE1E | Finland | Processing environment | 1998 | 1/2c | – |
| E7 | Finland | Dairy product | 1999 | 3a | – |
| LK42/1 | Finland | Fish | 1998 | 3a | P |
| LK55/1 | Finland | Fish | 1999 | 3a | – |
| LM128 | Finland | Vegetable | 1999 | 3a | – |
| LK127 | Finland | Fish | 2000 | 4b | – |
| JHM230 | Finland | Cow | 1984 | 4b | – |
| LL17/3 | Finland | Wild bird, feces | 1998 | 4b | – |
| JHM331 | Finland | Silage | 1988 | 4b | – |
| LT25E | Finland | Vegetable | 2000 | 4b | – |
| LL91/1 | Finland | Wild bird, feces | 2001 | 4b | – |
| LL78/1 | Finland | Wild bird, feces | 2001 | 4b | – |
| LK43/3 | Finland | Fish | 1998 | 4b | – |
| LL67/1 | Finland | Wild bird, feces | 2001 | 4b | – |
| LA22 | Finland | Sheep | 1986 | 4b | – |
| LA30 | Finland | Sheep | 1987 | 4b | – |
| 44M | Finland | Meat | 1999–2001 | 4b | – |
| LL72/1 | Finland | Wild bird, feces | 2001 | 4b | – |
| LE21E | Finland | Processing environment | 1999 | 4b | P |
| LA56 | Finland | Poultry | 1992 | 4b | – |
| LL49/2 | Finland | Wild bird, feces | 2001 | 4b | – |
| AE18E | Finland | Processing environment | 1998 | 4b | – |
| JHM270 | Finland | Cow, feces | 1987 | 4b | – |
| LL87/3 | Finland | Wild bird, feces | 2001 | 4b | – |
| LL4/2 | Finland | Wild bird, feces | 1998 | 4b | P |
| LL1/3 | Finland | Wild bird, feces | 1998 | 4b | – |
| LU97/4 | Finland | Meat | 2003 | 4b | – |
| LL71/1 | Finland | Wild bird, feces | 2001 | 4b | – |
| Lm 217 | Switzerland | Meat | 2000 | 1/2a | P |
| Lm 57 | Switzerland | Meat | 1999 | 1/2b | – |
| Lm 60 | Switzerland | Human | 2006 | 1/2a | – |
| Lm 69 | Switzerland | Human | 2006 | 1/2a | – |
| LmE240 | Switzerland | Carcass | 2011 | 1/2a | P |
| LmE61 | Switzerland | Carcass | 2011 | 1/2a | – |
| LmS1 | Switzerland | Environment | 2011 | 1/2a | – |
| LmS9 | Switzerland | Environment | 2011 | 1/2a | – |
| N11-1218 | Switzerland | Poultry | 2011 | 1/2a | – |
| N11-1255 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1285 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1346 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1415 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1515 | Switzerland | Milk | 2011 | 1/2a | – |
| N11-1546 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1617 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-1649 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-1653 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-1696 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-1734 | Switzerland | Ham | 2011 | 1/2a | – |
| N11-1845 | Switzerland | Dairy | 2011 | 1/2a | – |
| N11-1905 | Switzerland | Poultry | 2011 | 1/2a | – |
| N11-2183 | Switzerland | Salad | 2011 | 1/2a | – |
| N11-2215 | Switzerland | Dairy | 2011 | 1/2a | – |
| N11-2272 | Switzerland | Maize | 2011 | 1/2a | – |
| N11-2345 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-2509 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-2538 | Switzerland | Milk | 2011 | 1/2a | – |
| N11-2542 | Switzerland | Cheese | 2011 | 1/2a | – |
| N11-2543 | Switzerland | Environment | 2011 | 1/2a | – |
| N11-2554 | Switzerland | Meat | 2011 | 1/2a | – |
| N11-2662 | Switzerland | Meat | 2011 | 1/2a | – |
| N12-0088 | Switzerland | Fish | 2012 | 1/2a | – |
| N12-0275 | Switzerland | Milk | 2012 | 1/2a | – |
| N12-0299 | Switzerland | Quorn | 2012 | 1/2a | – |
| N12-0303 | Switzerland | Quorn | 2012 | 1/2a | – |
| N12-0373 | Switzerland | Seafood | 2012 | 1/2a | – |
| N12-0402 | Switzerland | Seafood | 2012 | 1/2a | – |
| N12-0435 | Switzerland | Seafood | 2012 | 1/2a | – |
| N12-0459 | Switzerland | Seafood | 2012 | 1/2a | – |
| N12-0494 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-0561 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-0571 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-0677 | Switzerland | Sausage | 2012 | 1/2a | – |
| N12-0762 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-0796 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-0823 | Switzerland | Vegetable | 2012 | 1/2a | – |
| N12-0906 | Switzerland | Milk | 2012 | 1/2a | – |
| N12-0999 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-1002 | Switzerland | Milk | 2012 | 1/2a | – |
| N12-1024 | Switzerland | Meat | 2012 | 1/2a | – |
| N13-0796 | Switzerland | Human | 2013 | 1/2a | – |
| N12-1436 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-2549 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1273 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1641 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-1667 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-1731 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-2118 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-2188 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-2229 | Switzerland | Food | 2012 | 1/2a | – |
| N12-2236 | Switzerland | Meat | 2012 | 1/2a | – |
| N12-2313 | Switzerland | Environment | 2012 | 1/2a | – |
| N12-2320 | Switzerland | Food | 2012 | 1/2a | – |
| N12-2329 | Switzerland | Food | 2012 | 1/2a | – |
| N12-2389 | Switzerland | Milk | 2012 | 1/2a | – |
| N13-0225 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0228 | Switzerland | Milk | 2013 | 4b | P |
| N13-0245 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0254 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0288 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0369 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0406 | Switzerland | Goat | 2013 | 1/2a | – |
| N11-2039 | Switzerland | Human | 2011 | 1/2a | – |
| N13-0474 | Switzerland | Meat | 2013 | 1/2a | – |
| N13-0714 | Switzerland | Human | 2013 | 1/2a | – |
| N11-1547 | Switzerland | Human | 2011 | 1/2a | – |
| N11-1837 | Switzerland | Human | 2011 | 1/2c | – |
| N11-2036 | Switzerland | Human | 2011 | 1/2a | – |
| N11-2134 | Switzerland | Human | 2011 | 1/2a | – |
| N11-2474 | Switzerland | Human | 2011 | 1/2a | – |
| N11-2553 | Switzerland | Human | 2011 | 1/2a | – |
| N12-0123 | Switzerland | Human | 2012 | 1/2a | – |
| N12-0258 | Switzerland | Human | 2012 | 1/2a | – |
| N12-0560 | Switzerland | Human | 2012 | 1/2a | – |
| N12-0588 | Switzerland | Human | 2012 | 1/2a | – |
| N12-0922 | Switzerland | Human | 2012 | 1/2a | – |
| N12-0935 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1107 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1872 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1873 | Switzerland | Human | 2012 | 1/2a | – |
| N12-1917 | Switzerland | Human | 2012 | 1/2a | – |
| N12-2031 | Switzerland | Human | 2012 | 1/2a | – |
| N12-2082 | Switzerland | Human | 2012 | 1/2a | – |
| N12-2169 | Switzerland | Human | 2012 | 1/2a | – |
| N13-0048 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0094 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0119 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0281 | Switzerland | Human | 2013 | 1/2a | – |
| N11-1584 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0698 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0287 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0733 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0739 | Switzerland | Human | 2013 | 1/2a | – |
| N12-0367 | Switzerland | Human | 2012 | 1/2a | – |
| Lm 19 | Switzerland | Human | 2005 | 1/2b | – |
| Lm 45 | Switzerland | Human | 2005 | 1/2b | – |
| Lm 5 | Switzerland | Meat | 1999 | 1/2b | – |
| Lm 9 | Switzerland | Meat | 1999 | 1/2b | – |
| LmE188 | Switzerland | Carcass | 2011 | 1/2b | – |
| LmE212 | Switzerland | Carcass | 2011 | 1/2b | – |
| LmS2 | Switzerland | Environment | 2011 | 1/2b | – |
| LmSB1 | Switzerland | Seafood | 2011 | 1/2b | – |
| N11-1251 | Switzerland | Sausage | 2011 | 1/2b | – |
| N11-1252 | Switzerland | Salad | 2011 | 1/2b | – |
| N11-2675 | Switzerland | Human | 2011 | 1/2a | – |
| N12-1307 | Switzerland | Meat | 2012 | 1/2b | P |
| N12-1608 | Switzerland | Human | 2012 | 1/2b | – |
| N12-1609 | Switzerland | Human | 2012 | 1/2b | – |
| N12-1914 | Switzerland | Milk | 2012 | 1/2b | – |
| N12-2025 | Switzerland | Food | 2012 | 1/2b | – |
| N12-2387 | Switzerland | Meat | 2012 | 1/2b | – |
| N12-2441 | Switzerland | Milk | 2012 | 1/2a | – |
| N12-2449 | Switzerland | Milk | 2012 | 1/2b | – |
| N12-2532 | Switzerland | Human | 2012 | 1/2a | – |
| N12-2533 | Switzerland | Human | 2012 | 1/2a | – |
| N13-0402 | Switzerland | Fish | 2013 | 1/2b | – |
| N13-0581 | Switzerland | Human | 2013 | 1/2b | – |
| N13-0762 | Switzerland | Human | 2013 | 1/2a | – |
| Lm 22/3A | Switzerland | Human | 2004 | 1/2c | – |
| Lm 25/9 | Switzerland | Meat | 2002 | 1/2c | – |
| Lm 28 | Switzerland | Human | 2005 | 1/2c | – |
| Lm 760 | Switzerland | Meat | 2001 | 1/2c | – |
| N11-1514 | Switzerland | Meat | 2011 | 1/2c | – |
| N12-0486 | Switzerland | Human | 2012 | 1/2c | – |
| N12-0563 | Switzerland | Meat | 2012 | 1/2c | P |
| N12-0644 | Switzerland | Meat | 2012 | 1/2c | – |
| N12-0710 | Switzerland | Meat | 2012 | 1/2c | – |
| N12-0822 | Switzerland | Meat | 2012 | 1/2c | – |
| N12-1773 | Switzerland | Meat | 2012 | 1/2c | – |
| N12-1921 | Switzerland | Rice | 2012 | 1/2c | P |
| N12-2151 | Switzerland | Poultry | 2012 | 1/2c | – |
| N12-2271 | Switzerland | Meat | 2012 | 1/2c | – |
| N12-2386 | Switzerland | Environment | 2012 | 1/2c | – |
| N13-0001 | Switzerland | Human | 2013 | 1/2c | – |
| N12-0318 | Switzerland | Quorn | 2012 | 3a | P |
| Lm 49 | Switzerland | Meat | 1999 | 4b | – |
| Lm 58 | Switzerland | Human | 2006 | 4b | – |
| Lm 72 | Switzerland | Human | 2006 | 4b | – |
| Lm 8 | Switzerland | Meat | 1999 | 4b | – |
| Lm LL195 | Switzerland | Human | 1983–87 | 4b | C, P |
| Lm LL201 | Switzerland | Human | 1983–87 | 4b | – |
| LmE131 | Switzerland | Carcass | 2011 | 4b | – |
| LmE153 | Switzerland | Carcass | 2011 | 4b | – |
| LmE154 | Switzerland | Carcass | 2011 | 4b | – |
| LmE162 | Switzerland | Carcass | 2011 | 4b | – |
| N11-1846 | Switzerland | Meat | 2011 | 4b | – |
| N11-1850 | Switzerland | Dairy product | 2011 | 4b | – |
| N11-2292 | Switzerland | Human | 2011 | 4b | – |
| N11-2618 | Switzerland | Human | 2011 | 4b | – |
| N11-2747 | Switzerland | Human | 2011 | 4b | – |
| N11-2801 | Switzerland | Human | 2011 | 4b | – |
| N12-0160 | Switzerland | Meat | 2012 | 4b | – |
| N12-0320 | Switzerland | Human | 2012 | 4b | – |
| N12-0341 | Switzerland | Human | 2012 | 4b | – |
| N12-0432 | Switzerland | Meat | 2012 | 4b | – |
| N12-0466 | Switzerland | Meat | 2012 | 4b | – |
| N12-0529 | Switzerland | Meat | 2012 | 4b | P |
| N12-0551 | Switzerland | Human | 2012 | 4b | – |
| N12-0570 | Switzerland | Human | 2012 | 4b | – |
| N12-0575 | Switzerland | Human | 2012 | 4b | – |
| N12-0605 | Switzerland | Sausage | 2012 | 4b | – |
| N12-0794 | Switzerland | Human | 2012 | 4b | – |
| N12-0869 | Switzerland | Human | 2012 | 4b | – |
| N12-0973 | Switzerland | Meat | 2012 | 4b | – |
| N12-1338 | Switzerland | Human | 2012 | 4b | – |
| N12-1339 | Switzerland | Meat | 2012 | 4b | – |
| N12-1387 | Switzerland | Human | 2012 | 4b | – |
| N12-1655 | Switzerland | Human | 2012 | 4b | – |
| N12-1665 | Switzerland | Environment | 2012 | 4b | – |
| N12-1730 | Switzerland | Human | 2012 | 4b | – |
| N12-1772 | Switzerland | Milk | 2012 | 4b | – |
| N12-1796 | Switzerland | Human | 2012 | 4b | – |
| N12-1859 | Switzerland | Food | 2012 | 4b | – |
| N12-1916 | Switzerland | Environment | 2012 | 4b | – |
| N12-1996 | Switzerland | Environment | 2012 | 4b | – |
| N12-2185 | Switzerland | Environment | 2012 | 4b | – |
| N12-2378 | Switzerland | Human | 2012 | 4b | – |
| N12-2447 | Switzerland | Meat | 2012 | 4b | – |
| N13-0047 | Switzerland | Milk | 2013 | 4b | – |
| N13-0177 | Switzerland | Human | 2013 | 4b | – |
| N13-0677 | Switzerland | Human | 2013 | 4b | – |
| N13-0771 | Switzerland | Human | 2013 | 1/2a | – |
| N13-0772 | Switzerland | Human | 2013 | 4b | P |
| N12-0036 | Switzerland | Human | 2012 | 1/2a | – |
a
Finland: University of Helsinki, Department of Food Hygiene and Environmental Health strain collection; Switzerland: University of Zürich, Institute for Food Safety and Hygiene strain collection.
b
NA, not available.
c
Used also as pilot (P) or control (C) strain. –, not applicable.