A cough, often producing a greenish or rust-colored mucus, is one of the characteristic symptoms of the illness, along with fever, chills, chest pain, weakness, fatigue, and nausea.

肺炎的特征性症状为咳嗽会产生绿色或锈色的粘液，并伴随有发热，寒战，胸痛，虚弱，疲劳，恶心。

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The symptoms of malaria are chills then followed with fever and sweat and then temperature will drop, body weakness until the next episode of febrile attack.

疟疾的典型症状是定期发作，开始时发冷，往往要盖几条棉被，接着高烧，发热后，病人大出汗，体温渐退，浑身乏力，嗜睡，直至下一次发作。

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