VOA慢速 | 超级细菌可抵御抗生素

小白老师说：医博英语考试的听力真题速度和VOA慢速差不多，呵呵真的很慢很慢。

Doctors have identified a powerful bacteria that cannot be killed with antibiotics（抗生素）. The bacteria,called a superbug（超级细菌）, was found in a woman from Pennsylvania.

Tom Frieden is the head of the U.S. Centers for Disease Control and Prevention. He says this new bug is resistant to（抵御，抵抗） every antibiotic available, including colistin（粘菌素）. Colistin is used only as a last measure, as the drug can cause organ damage. The woman is infected with a rare kind of E. coli bacteria known as CRE. The version she has includes a gene that is resistant to colistin. This is its first appearance in the United States.

Researchers who studied the case in Pennsylvania wrote about their findings in Antimicrobial Agents and Chemotherapy, a publication of the American Society for Microbiology. They wrote that the case could signal the development of "a truly pan-drug resistant bacteria."

Health officials consider CRE, "nightmare bacteria." They can kill up to 50 percent of infected patients. 

Frieden expressed his concern about losing antibiotics, what he calls "miracle drugs." 

"We know now that the more we look the more we're going to find. And the more we look at drug resistance the more concerned we are. We need to do a very a comprehensive job protecting antibiotics so that we can have them and our children can have them."

"We need to make new antibiotics, but unless we have better stewardship（管理） and better identification of outbreaks（疾病的爆发）, we are going to lose these miracle drugs. The medicine cabinet is empty for some patients. It is the end of the road for antibiotics unless we act urgently."

As bacteria that resist antibiotics spread, treatment for such infections could be seriously limited, the Washington Post（华盛顿邮报） newspaper reported. Scientists and public health officials have warned that usual medical operations, minor infections and pneumonia could become deadly or very difficult to treat.

医生已鉴定出一种无法被抗生素杀死的强大细菌。该名为超级病菌的发现于宾夕法尼亚州的一名女士身上。

美国疾病控制中心的主任汤姆·福里登称，该细菌可以抵御包括粘菌素在内的任何医用抗生素。由于粘菌素会对人体器官造成伤害，因此不到万不得已，不会使用。

该女士感染一种罕见的大肠杆菌，是抗碳青霉烯类肠杆菌属。这种细菌中有一种基因可以抵御粘菌素。这是美国的首个病例。

宾夕法尼亚州此病例的研究者在美国微生物协会的《抗菌药物与化疗》刊物中发表了他们的研究发现。其中写道，这个病例的发现表明"泛耐药细菌"的发展。卫生官员将这种超级细菌成为"噩梦细菌"，因为他们可以让50%的患者致命。

历来将抗生素称为"特效药"的福里登表达了他对于失去抗生素的担忧。

"我们都知道看的越多，发现的越多。因此，我们对抗药性了解的越多，我们就越担心。我们需要全面保护抗生素，这样我们和我们的子孙才能有效使用它们。"

"我们需要生产新的抗生素，但如果没有更好的管理体系和疾病爆发的提前确认，我们可能会失去抗生素。有些病人根本没有抗生素可以使用。如果我们不采取紧急行动，则抗生素将最终消失。"

华盛顿邮报报道称，随着能抵御抗生素的细菌传播，疾病感染的治疗将越发受限。科学家和公共卫生官员警告我们，平时常见的手术、小感染、肺炎都有可能致命或难以治愈。

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