Table 1.
Country (prefecture) of origin | No. of chicken, pig samples | Corresponding no. of GRE strains/samplesb |
||
---|---|---|---|---|
vanC1 | vanC2 | vanN | ||
Japan (Gunma) | 30, 15 | 62/21, 6/3 | 3/1, 3/1 | 0, 0 |
Japan (Miyazaki) | 30, 15 | 77/27, 0 | 0, 0 | 5/1, 0 |
Japan (Kagoshima) | 30, 15 | 15/5, 0 | 3/1, 0 | 0, 0 |
United States | 3, 44 | 3/1, 0 | 0, 0 | 0, 0 |
Brazil | 71, 0 | 173/59, 0 | 0, 0 | 0, 0 |
France | 6, 0 | 0, 0 | 0, 0 | 0, 0 |
Philippines | 5, 0 | 13/5, 0 | 0, 0 | 0, 0 |
Canada | 0, 25 | 0, 0 | 0, 3/1 | 0, 0 |
Denmark | 0, 19 | 0, 0 | 0, 2/1 | 0, 0 |
Mexico | 0, 7 | 0, 0 | 3/1, 0 | 0, 0 |
Chile | 0, 3 | 0, 0 | 0, 0, | 0, 0 |
Spain | 0, 2 | 0, 0 | 0, 0 | 0, 0 |
Hungary | 0, 1 | 0, 0 | 0, 0 | 0, 0 |
Netherlands | 0, 1 | 0, 0 | 0, 0 | 0, 0 |
Chicken, pig totals | 175, 147 | 343/118, 6/3 | 9/3, 8/3 | 5/1, 0 |
The vancomycin MICs of GRE isolates were more than 12 mg/liter.
Neither VanA-type nor VanB-type GRE was detected in this study. VanC1-type and VanC2-type resistances are carried naturally by E. gallinarum and E. casseliflavus.