Dengue virus is one of the most important members of the flavivirus family , the diseases caused by which range from dengue fever , dengue hemorrage fever to dengue shock syndrome . it has put populations of more than 100 countries or areas at risk 登革病毒( den )是黄病毒科的重要成员，分4个血清型，均可引起登革热、登革出血热和登革休克综合征，广泛流行于世界100多个国家和地区。
