6月13日CNN聽力：美國首例"超等細菌"沾染者 統統抗生素都沒用
For the first time, a very dangerous superbug hasinfected an American.
She's a 49-year-old woman from Pennsylvania.
She was recently admitted to Walter Reed NationalMilitary Medical Center with a very rare kind of E. coliinfection.
Health officials don't know how she got it, but theinfections called a superbug because normal antibiotics don't kill it, even the antibiotic thatdoctors use as a last resort.
The CDC and the Pennsylvania Department of Health both investigated the case.
The women survived.
She reportedly responded to other antibiotics, though one report suggests that half thepeople who get this kind of infection would die from it.
The head of the CDC says doctors should stop prescribing antibiotics when people don't needthem and that new drugs need to be developed quickly.
Antibiotics are one of the miracles of modern medicine.
They have saved countless lives.
But there's another side to them.
The bacteria that live in our body, they've learned how to outwit many of our most powerfulantibiotics.
These drug resistant bacteria are called superbugs.
Every year, these superbugs infect more than 2 million people in the United States and kill atleast 23,000.
Here's how a bug becomes a superbug.
When you take in antibiotic, there could be some bacteria that know how to resist thatantibiotic.
While those smart bacteria, they're the ones that survived your round of antibiotics and theyflourish.
And that's when you get a proliferation of superbugs.
And the more that we as a community take antibiotics, the more chances the bacteria haveto become resistant.
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