Flu viruses mutate regularly and can develop resistance to drugs at any time.
流感病毒通常都有规律地变异，可以随时产生对药物的抗药性。
The World Health Organization WHO is warning about resistance to drugs which were once so potent.
WHO对那些曾经很有效的抗生素的耐药性发出了警告。
Relapses of the malady, ineffectiveness of different drug regimens and even resistance to drugs are emerging.
疾病的反复发作，不同药物治疗方案的无效，甚至耐药性正在出现。
They investigate how AIDS and other diseases develop resistance to drugs, and what can be done to thwart them.
他们研究艾滋和其他疾病是如何产生抗药性的，还有通过什么方式可以阻断这种抗药性。
Based on historical patterns, mosquito resistance to insecticides and parasite resistance to drugs must be anticipated.
根据历史经验，我们可以预期，蚊子将会对杀虫剂耐药而寄生虫将会对药物耐药。
Head spore Sai Fu sodium molecular structure stabilizes , not being destroyed by beta-lactam enzyme , can not produce resistance to drugs or the resistance to drugs alternating therefore.
头孢噻呋钠分子结构稳定，不被β-内酰胺酶破坏，因此不会产生抗药性或交叉抗药性。
Still, Chan warned last week that nasty surprises could be in store if the virus becomes more pathogenic or develops resistance to drugs that can now stop it. "The virus writes the rules, " she said.
不过，Chan上周也警告说，如果这种病毒的致病性更强，或者对目前的治疗药物产生了抗药性，那都会是很严重的事故。
About 400 of these art patients are part of a research study monitoring resistance to the drugs and treatment failure.
在接受抗逆转病毒治疗的病人中，大约有400人参与了抗药性和治疗失灵的研究监测。
Superbugs evolve when common bacterial infections develop resistance to the drugs used to treat them.
超级病毒是由那些产生抗药性的常见细菌演变而来的。
Unless a patient stops taking the drugs, or goes on to develop resistance to them, he can expect to live almost as long as an uninfected individual.
除非病人停止使用此类药物或他已经对它们产生抗药性，否则他的寿命预计能跟一个未受感染的人的一样长。
Bacteria that get mutations creating resistance to antibiotics are more likely to survive than are bacteria that remain sensitive to drugs.
获得突变的细菌产生对抗生素的抗性，它们比那些对药物敏感的非突变株幸存下来的几率更大。
Resistance to mainstay antimicrobials is occurring at a rate that outpaces the development of replacement drugs.
主要抗菌素耐药性的出现速度超过了研制替代药物的速度。
The biggest challenge with treating HIV today is that the virus becomes dormant and often develops resistance to HIV drugs.
在今天，对付HIV最大的挑战就是它潜伏期很长，并且对治疗HIV的药物产生抗药性。
One is to do nothing, treating the various problems created by resistance as acceptable costs when set against drugs' much greater benefits.
第一种就是听之任之，把抗药性所带来的问题当做不可避免的代价，因为我们获得了药品的高利润。
But scientists say exposing harmful microorganisms to all these drugs is actually accelerating their ability to build resistance to many of the drugs we use.
但科学家认为，受我们平时使用的大多数药物影响，这些有害微生物更容易产生耐药性。
Bacteria exposed to the drugs develop resistance, Mitchell said, so “we have the risk of creating these bacterial monsters.”
暴露在药物下的细菌能够产生抗药性，因此，米歇尔说：“我们面临正制造这些细菌怪物的危险。”
Bacteria exposed to the drugs develop resistance, Mitchell said, so "we have the risk of creating these bacterial monsters."
暴露在药物下的细菌能够产生抗药性，因此，米歇尔说：“我们面临正制造这些细菌怪物的危险。”
This experience underscores the need to protect the effectiveness of these drugs by minimizing the occurrence and impact of drug resistance.
这一经验强调需要保护这些药物的有效性，最大限度地减少耐药的发生和带来的影响。
This experience further underscores the need to protect the effectiveness of these drugs by minimizing the occurrence and impact of drug resistance.
这方面的经验进一步证实，需要尽量减少耐药性的发生及其影响，以维护这些药物的疗效。
Better diagnostic tools contribute to the more rational use of drugs, and this helps delay the development of drug resistance.
更好的诊断工具可促进更合理的药物使用，从而有助于推迟形成耐药性。
Better diagnostic tools contribute to the more rational use of drugs, and this helps delay the development of drug resistance.
更好的诊断工具可促进更合理的药物使用，从而有助于推迟形成耐药性。
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