When HIV becomes resistant to HAART, other drug combinations must be used to try to suppress the resistant strain of HIV.

当HIV开始抵抗鸡尾酒疗法时，就要使用其他的药物组合来抑制HIV的抵抗。

youdao

Of 133 phones belonging to patients and their visitors at a Turkish hospital, more than three quarters were carrying staph bacteria—and one phone had the multi-drug-resistant strain MRSA.

在病人和探访者的133部手机中，超过四分之三的携带有葡萄球菌，其中一部携带有抗药性很强的耐甲氧西林金黄色葡萄球菌。

youdao

It's a virulent strain that occurs when a person with TB fails to complete the six to nine-month course of medication or catches TB from another person who is ill with a drug resistant-strain.

VOA: standard.2010.07.12

When doctors carried out throat swabs from 82 other children at the centre, they found that ten were carrying the same multi-drug resistant strain of bacteria found in the two ill children.

BBC: Nursery

Burma's highly mobile migrant population may already be spreading the drug-resistant strain around the world.

BBC: Can Asia save Africa from drug-resistant malaria?

Health officials are worried because the drug-resistant strain is so hard to diagnose.

NPR: TB Traveler Exposes Diagnosis Problems