And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.

一般来说，流感症状包括突然出现的发烧、发冷、喉咙痛和身体疼痛，而且比普通感冒症状更严重。

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The first few weeks after initial infection, individuals may experience no symptoms or a flu-like illness including fever, headache, rash or sore throat.

在感染后最初几周可能毫无症状，或出现发热、头痛、皮疹或咽痛等流感样疾病症状。

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An animal can respond to a viral infection in various ways, including fever, secretion of interferon, and attack by the immune system.

动物对病毒感染的反应各不相同，包括发烧、分泌干扰素、由免疫系统发动攻击等。

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Symptoms of swine flu in humans are expected to resemble regular human seasonal influenza symptoms, including fever, lethargy, lack of appetite, and coughing, the CDC said.

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In 2003, Kelly Preston told Montel Williams that when Jett was 2, he became ill with flu symptoms, including fever, rashes and swollen lymph nodes, before a doctor diagnosed him with Kawasaki disease.

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If you have symptoms for under 48 hrs, there are antiviral medications (Tamiflu and Relenza) that may reduce the duration of symptoms including fever, as well as potential complications (pneumonia, otitis media in young children).

FORBES: 2013 Flu Season: How to Protect Yourself