The proximity of mosquito breeding sites to human habitation is a significant risk factor for chikungunya.

蚊子滋生地邻近人类居住地，是基孔肯雅热重要危险因素。

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The proximity of mosquito vector breeding sites to human habitation is a significant risk factor for chikungunya as well as for other diseases that these species transmit.

蚊子滋生地邻近人类居住地，是基孔肯雅热重要危险因素，也会传播其他疾病。

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The collection, analysis and quantification of human factor data are very important parts of human reliability analysis and probabilistic risk assessment.

人因数据的收集、分析与量化是人员可靠性分析和概率风险评价极为重要的组成部分。

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According to the National Cancer Institute, oral contraceptives have been shown to increase the risk of cervical cancer, although human papillomavirus is the major risk factor for the disease.

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The primary risk factor for human infection appears to be direct or indirect exposure to infected live or dead poultry or contaminated environments.

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