A: Chikungunya fever is a viral illness that is spread by the bites of infected mosquitoes.

答：基孔肯亚热是一种通过受感染蚊子叮咬传播的病毒性疾病。

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A severe viral disease in humans and primates that causes fever, muscle pain, diarrhea, vomiting, and in some cases internal bleeding and skin rash.

它是一种严重的病毒性疾病，在人类和灵长类动物身上传播，会引起发热、肌肉疼痛、腹泻、呕吐，有些人还会出现内出血和皮疹。

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Yellow fever is a viral disease, found in tropical regions of Africa and the Americas.

黄热病是一种病毒性疾病，见于非洲和美洲的热带地区。

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Dengue fever, a viral infection endemic to tropical and sub-tropical climates, is characterized by high fever, body aches and intense headache.

WSJ: Dengue Fever on the Rise in Singapore

Given its safety profile and how easy it is to make, it could quickly be tested as a potential new treatment for viral diseases ranging from dengue and yellow fever to hepatitis, say the US investigators from Georgetown University Medical Center in Washington.

BBC: Dogfish shark chemical squalamine 'stops human viruses'

The other symptoms that accompany colds and flu, such as stuffy nose and a fever, are telltale signs that a viral infection is causing your cough.

CNN: Mystery cough? 8 possible culprits