这些猫都出现了流感症状，如发烧和呼吸困难，而且其中一个在六天后死亡。
All developed flu symptoms, such as fever and labored breathing, and one died after 6 days.
他的两个兄弟，年龄为7岁和20岁，于11月3日发病，并在出现发烧和呼吸困难等症状后于11月11日死亡。
His two brothers, aged 7 and 20 years, had onset of illness on 3 November and died on 11 November, following symptoms of fever and breathing difficulty.
他于11月6日出现发烧和咳嗽症状，几天后出现呼吸困难。
He developed symptoms of fever and cough on 6 November, followed by breathing difficulties a few days later.
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