The pattern of illness and death caused by the H1N1 virus differed in striking ways from that seen during seasonal influenza.

H1N1病毒导致的疾病和死亡模式显著不同于季节性流感期间观测到的情况。

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The occurrence of the disease in India, reported on 18 February, is part of a recent pattern of rapid geographical spread of the virus in wild and domestic birds.

2月18日报告的在印度发生的疾病是最近病毒在野生鸟类和家禽中迅速地理传播的一部分。

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The idea being if I find a pattern across multiple people's computers maybe all of those people are infected with the same kind of malware or virus or worm.

如果我从不同人的计算机中发现了一个模型，这就说明，所有那些人的计算机都感染了相同的，恶意软件，病毒或蠕虫。

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Unfortunately, there's a significant difference between the time a virus is first released and the time a pattern allowing its detection is available.

CNN: Technology - Analysis: Understanding viruses