Human infections with Hendra virus range from mild influenza-like illness to fatal respiratory or neurological disease.

人类感染亨德拉病毒的症状从轻微的流感样病症到致命的呼吸道或神经系统疾病不同。

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Fortunately, the swine flu that we're seeing still is a moderate disease that is behaving very much like ordinary seasonal influenza.

幸运的是，令人关注的猪流感病毒目前仍很温和，它与普通的季节性流感十分相似。

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The virus is behaving much like a seasonal influenza strain, by spreading rapidly and causing mainly mild disease, but severe illness in some people.

该病毒的症状像季节性流感，它会迅速蔓延，一般会造成轻微的疾病，但一些人也会产生更加严重的症状。

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Flu vaccines, which are made by companies including Sanofi-Aventis, Novartis, and GlaxoSmithKline, are less effective at preventing influenza than childhood vaccines are at preventing disease like measles or polio.

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