Bacteria resistant to last-resort antibiotic discovered in US

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For the first time, researchers have found a person in the United States carrying bacteria resistant to antibiotic of last resort, an alarming development that the top U.S. public health official says could signal “the end of the road” for antibiotics.

The antibiotic-resistant strain was found in the urine of a 49-year-old Pennsylvania woman. Defense Department researchers determined that she carried a strain of E. coli resistant to the antibiotic colistin, according to a study published in Antimicrobial Agents and Chemotherapy, a publication of the American Society for Microbiology. The authors wrote that the discovery “heralds the emergence of a truly pan-drug resistant bacteria.”

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Colistin is the antibiotic of last resort for particularly dangerous types of superbugs, including a family of bacteria known as carbapenem-resistant Enterobacteriaceae, or CRE, which health officials have dubbed “nightmare bacteria.” In some instances, these superbugs kill up to 50 percent of patients who become infected. The Centers for Disease Control and Prevention has called CRE among the country’s most urgent public health threats.

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Read full, original post: The superbug that doctors have been dreading just reached the U.S.

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