Unlicensed, pirated software is an ideal vector for a computer virus. Virus writers and hackers often use such software as the ideal " kick-start" for their virus distribution.

未经许可的盗版软件是计算机病毒的理想的携带者，制造病毒者以及黑客们经常利用这类软件作为病毒扩散的理想开端。

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There had been fears that businesses, shops and distribution centres could be forced to shut if the virus spread rapidly.

人们一直担心的是，如果流感迅速蔓延，许多企业、商铺和分销中心可能会被迫关闭。

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Thanks to nearly universal testing of pregnant women and wide distribution of free antiretroviral drugs, fewer than 4% of babies born to HIV-positive mothers are infected with the virus.

由于对几乎所有孕妇进行了检测及免费发放抗逆转录药物，艾滋病毒阳性母亲所产婴儿的艾滋病毒感染率不到4％。

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