Department of Zoology of Oxford OX13SZ;
Ineos Oxford Institute for Antimicrobial Research(IOI) of Oxford OX13RE;
Department of Medical Microbiology of Infection and Immunity of Medicine University CF144XN;
Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit Laboratory Hospital PO Box 292 PDR;
Centre for Tropical Medicine&Global Health Department of Medicine of Oxford OX37BN;
Institute of Research and Education Development of Health Sciences PO Box 7444 PDR;
Faculty of Infectious and Tropical Diseases School of Hygiene and Tropical Medicine WC1E 7HT;
Colistin resistance; mcr; Escherichia coli; Laos; Horizontal transmission;