The boot sector virus was the first type of virus created.

开机病毒是第一种病毒。它藏在启动盘的执行程序上。

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Okay, every month or so you might encounter a boot sector virus — but they were easy to deal with even if the anti-virus software didn't pick them up.

不错，每隔一个月左右你可能会碰到一个引导扇区病毒，不过这些很容易对付，就算杀毒软件没有把它查出来也不要紧。

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However, be aware that if the drive is not new out of the box, it may have existing data on it, which could include a boot sector virus and other nasty things.

但要注意一点，如果一个硬盘驱动器不是全新的，该驱动器上可能存在数据，其中可能包含一个引导扇区病毒和其他危险数据。

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The animal health sector has intensified investigations into the possible sources of the virus.

FORBES: Bird Flu Claims More Lives In Shanghai

An inter-government task force has been formally established, and the animal health sector has intensified investigations into the possible sources of the virus.

BBC: WHO confirms five deaths from China bird flu