Increasing incidence of resistance to trimethoprim and ciprofloxacin in epidemic Salmonella typhimurium DT104 in England and Wales

Abstract

Salmonella typhimurium definitive phage type (DT) 104 (= DT104) with chromosomally-encoded resistance to ampicillin, chloramphenicol, streptomycin, sulphonamides, and tetracyclines (= R-type ACSSuT) has become increasingly common in humans in England and