Table 1 Prevalence of chromosomally-encoded mcr-1 among 688 mcr-1-positive E. coli isolates
Sample source | Epoch (Oct 1 to Dec 31) | Total | ||
|---|---|---|---|---|
2016 | 2017 | 2018 | ||
Pig | 3.8% (3/78) | 0% (0/63) | 3.4% (2/58) | 2.5% (5/199) |
Healthy human carrier | 9.8% (6/61) | 4.0% (3/75) | 0% (0/8) | 6.3% (9/144) |
Colonized patient | 5.0% (3/60) | 0% (0/41) | 0% (0/9) | 2.7% (3/110) |
Infected patient | 0% (0/27) | 0% (0/17) | 0% (0/11) | 0% (0/55) |
Food | 7.4% (4/54) | 3.9% (2/51) | 0% (0/2) | 5.6% (6/107) |
Environment | 0% (0/50) | 4.5% (1/22) | 0% (0/1) | 1.4% (1/73) |
Total | 4.8% (16/330) | 2.2% (6/269) | 2.2% (2/89) | 3.5% (24/688) |