没有电，热的传播途径是电缆，光纤照明，是理想，安全和防火是一个问题。
No electricity or heat is transmitted through the cable so fiber optic lighting is ideal where safety and fire protection is a concern.
裂谷热的传播途径主要是通过直接或间接与感染动物的血液或器官接触，人可在被感染蚊子叮咬后受感染。
The main mode of transmission of RVF is via direct or indirect contact with the blood or organs of infected animals. Human infections have also resulted from the bites of infected mosquitoes.
最近几十年，基孔肯雅热的蚊子媒介已传播到欧洲和美洲。
In recent decades, mosquito vectors of chikungunya have spread to Europe and America.
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