A superbug resistant to all known medications has been found in the United States for the first time, raising new concern about the dwindling effectiveness of antibiotics, the top US public health official said this week. . The case involved a 49-year-old woman in Pennsylvania whose urinary tract infection tested positive for a strain of E. coli that is resistant to the antibiotic of last resort for such infections, known as colistin.
A large Los Angeles public hospital has notified scores of patients they were possibly exposed to a drug-resistant bacteria superbug during endoscopy procedures that infected seven patients and may have contributed to two deaths.