Superbugs breach final antibiotic line of defence

Superbugs thought to have spread from animals have smashed through the last line in antibiotic defences and now pose a global threat, scientists say. Researchers identified a gene that makes infectious bacteria such as Escherichia coli (E.coli) highly resistant to polymyxins, the last group of antibiotics left after all others have failed. The discovery in China, described as “extremely worrying” by one scientist, suggests the gene can easily be...
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