Whether it is caused by a mild cold or the flu, a runny nose and sore throat are signs of a viral infection.

鼻涕不止的鼻子和疼痛的喉咙是病毒感染的信号，能够帮助判断是否患上了轻度感冒或者流感。

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Early signs of influenza a (H1N1) are flu-like, including fever, cough, headache, muscle and joint pain, sore throat and runny nose, and sometimes vomiting or diarrhea.

甲型H1N 1流感的早期症状类似流感，包括发热、咳嗽、头痛、肌肉和关节疼痛、喉咙痛和流鼻涕，有时会呕吐或腹泻。

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Early signs of influenza a (H1N1) are flu-like, including fever, cough, headache, muscle and joint pain, sore throat and runny nose, and sometimes vomiting or diarrhoea.

甲型H1N 1流感的早期症状类似流感，包括发热、咳嗽、头痛、肌肉和关节疼痛、喉咙痛和流鼻涕，有时会呕吐或腹泻。

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But side effects can include mild flu-like symptoms, including a runny nose or sore throat.

BBC: Flu vaccines for all children

Flu symptoms can include fever, cough, runny nose, body ache and fatigue.

BBC: US flu cases over epidemic threshold

Symptoms of swine flu include fever, lethargy, lack of appetite, coughing, runny nose, sore throat, nausea, vomiting and diarrhea, the CDC said.

CNN: U.S. prepares for possible swine flu epidemic as global cases rise