Symptoms can include fever, fatigue, weight loss and difficulty in breathing.

症状包括发烧，疲劳，体重下降，呼吸困难。

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Loss of appetite, weight loss, swimming slowly, breathing difficult.

食欲减退、消瘦、游动缓慢、呼吸困难。

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Loss of appetite, weight loss, swimming slowly, breathing difficult.

食欲减退、消瘦、游动缓慢、呼吸困难。

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