Similar plasmids were found in a hospitalized patient and in hospital sewage.
Six years after it was first implemented, a multifaceted, practice-based intervention among Spanish primary care physicians continued to keep antibiotic prescribing levels down for respiratory tract infections (RTIs), researchers report in the Journal of Antimicrobial Chemotherapy.
Chinese scientists have discovered another colistin resistance gene in bacteria isolated from chickens, according to a study yesterday in the Journal of Antimicrobial Chemotherapy.
Tests on clinical samples collected from a large global antimicrobial resistance surveillance network confirmed the worldwide spread of the colistin-resistance gene MCR, a research team based at the International Health Management Associates in Schaumberg, Ill., reported yesterday in PLoS One.
A research team based in China yesterday reported that the newly identified colistin-resistance genes MCR-4 and MCR-5 occur widely in the country's pigs and poultry, according to a study in PLoS One.
Researchers in Portugal have identified 16 patients from a previously unnoticed hospital outbreak with carbapenemase-producing and MCR-1-producing Klebsiella pneumoniae, according to a case report yesterday in Emerging Infectious Diseases.
Fluoroquinolone resistance in hospital-onset E coli bacteremia rose markedly.
The authors say that finding MCR-1 in Shigella flexneri from pig feces suggests it could be circulating on Chinese farms and beyond.
Italian scientists this week reported detecting the MCR-1 colistin-resistance gene in 26 Escherichia coli isolates among more than 19,000 Enterobacteriaceae that they tested as part of surveillance efforts in Romagna in northern Italy.
Scientists from Italy today reported detecting the worrisome colistin-resistance gene MCR-4 in two isolates of Salmonella from people, only the second time the gene has been reported and the first time in humans, according to their report in Eurosurveillance.