目的预测全国肾综合征出血热(HFRS)发病流行强度和流行规律。

Objective To predict the epidemic strength and tendency for hemorrhagic fever with renal syndrome (HFRS).

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对使用不同燃煤方式的居民户主要食物氟含量与氟中毒流行强度进行对比分析。

Analyse the content of fluorine in air in the room where different kind of coal is used and the main food and the intensity of epidemic.

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虽然降幅较大，但是流感的流行强度仍然较高，两项指标分别是去年同期的7.2倍和5.4倍。

Although the decline is significant, but the intensity of influenza pandemic remains high, the two indices over the same period last year, 7.2 times and 5.4 times.

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