Yellow fever is caused by a virus transmitted by mosquitoes.
黄热病由蚊子传播的病毒引起。
2
Forexample, rising temperatures in Europe would provide new habitats for amosquito that transmits yellow fever, West Nile virus, dengue fever andencephalitis, ter Meulen said.
德梅伦说，例如，欧洲气温上升将为一种传播黄热病、西尼罗河病毒、登革热和脑炎的蚊子提供新栖息地。
3
He cites the outbreak in the early 1970s of yellow dwarf virus, which threatened to wipe out the world's barley crop.