Strong infectiousness of mother is an important factor in intrauterine infection.

母亲传染性强是宫内感染的重要因素。

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The most disquieting thing about the scofflaw spirit is its extreme infectiousness.

这种藐视法律的情绪，最令人不安之处在于其传染性。

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AIM: to study the infectiousness of the convalescent patients with severe acute respiratory syndrome (SARS).

目的：了解严重急性呼吸综合征(SARS)恢复期患者的传染性。

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There is now evidence that HIV treatment diminishes infectiousness and has a public health benefit towards reducing HIV transmission.

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Having had close calls with both SARS and H5N1, the world is watching and waiting to see if this new virus possesses the combination of infectiousness and lethality that made those two diseases such a worry.

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But technology is advancing so rapidly that in the near future terrorists working from a garage may be able to make a new toxic organism that combines the deadliness of, say, Ebola, with the infectiousness of the common cold.

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