acute communicable diseases

Scientists were alarmed last year when they found that a woman in Pennsylvania had been infected with bacteria that was resistant to colistin, an antibiotic that is considered the last line of defense against particularly nasty illnesses. It was a scary reminder that bacteria are increasingly able to survive antibiotics, making some infections extremely difficult or even impossible to treat. Now California is on a list of six states where patients have been infected with bacteria that contains a gene known as mcr-1, which makes it resistant to colistin...

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