初期症状包括体温38度以上的高烧和其他流感样症状。

Initial symptoms include a high fever, usually with a temperature higher than 38oC, and other influenza-like symptoms.

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目前的证据显示，呼吸困难大约会在初期症状出现后五天出现。

On present evidence, difficulty in breathing develops around five days following the first symptoms.

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初期症状包括发热、疲乏、头痛、呕吐、颈部僵硬以及四肢疼痛。

Initial symptoms are fever, fatigue, headache, vomiting, stiffness in the neck and pain in the limbs.

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