These efforts contribute to our understanding of the virus, its patterns of spread, and the spectrum of sickness it can cause.

这些努力有助于我们理解这一病毒，其传播模式，以及它可能导致的疾病范围。

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Apart from the intrinsic mutability of influenza viruses, other factors could alter the severity of current disease patterns, though in completely unknowable ways, if the virus continues to spread.

如果病毒继续传播，除了流感病毒内在变异性之外，其它因素也可能会以完全无法预测的方式影响目前疾病模式的严重程度。

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We are getting new data daily, and we are beginning to get an early picture of the clinical spectrum and patterns of spread.

我们每天都得到新的数据，我们也开始初步了解临床情况和传播模式。

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Examining years of research of their own and from others, the authors conclude that social networks, both offline and online, are crucial in understanding everything from voting patterns to the spread of disease.

CNN: Obesity, STDs flow in social networks

Now the circumstances under which these stars formed could lead to patterns in how they are spread throughout space that astronomers could soon detect.

MSN: We could soon detect the first stars in our universe

Tracking the spread of the HIV virus, the author finds familiar patterns in different countries.

CNN: MAPPING A SOCIAL SCOURGE