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Table 1 Prevalence of chromosomally-encoded mcr-1 among 688 mcr-1-positive E. coli isolates

From: Genomic patterns and characterizations of chromosomally-encoded mcr-1 in Escherichia coli populations

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)
  1. Data are % (n/N)