There is a 60% probability that the population will be infected with the disease.

民众感染这种疾病的概率为60%。

《牛津词典》

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And even those who stick around may be infected by the surrounding gloom.

即使是那些留守的也被暗淡的周围感染。

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Seventeen chimps were found to be infected with S.I.V.

VOA: special.2009.09.08

But it can be acquired in the air, from patients that are from- from other individuals that are infected.

天花会通过空气传播,通过病人和其他感染者呼出的空气传播

耶鲁公开课 - 生物医学工程探索课程节选

El Paso Port Director William Molaski says officers are trying to identify people who might be infected with the swine flu virus.

VOA: standard.2009.04.30

Someone can be infected with Ebola for up to 21 days before becoming symptomatic.

CNN: Up to three Ebola-infected travelers might fly each month

Users' machines will only be infected if they open and run the attachment bearing the worm.

BBC: The Bagle virus has tricked lots of people

There is also concern about the accuracy of the number of people reported to be infected.

ECONOMIST: Getting better, or worse? | The