登革热是由登革病毒引起的急性传染病,主要通过埃及伊蚊或白纹伊蚊(俗称黑白花蚊子)叮咬传播。登革病毒分为1~4型,均可致病,不同型病毒可重复感染,并增加发生重症风险。人群对登革病毒普遍易感,感染后可表现为无症状、普通或重症登革热,重症登革热病死率可达1%以上。媒介伊蚊为家栖或半家栖蚊种,常可引发家庭聚集性感染。掌握登革热防治知 Dengue is an acute infectious disease caused by dengue virus and is transmitted mainly through the bites of Aedes aegypti or Aedes albopictus. Dengue virus divided into 1 to 4 types, can cause disease, different types of viruses can be repeated infection, and increase the occurrence of serious risks. The population is generally susceptible to dengue virus infection may show asymptomatic, general or severe dengue fever, severe dengue fever mortality rate of up to 1%. Aedes aegypti is a family habitat or semi-habitat mosquito species, often triggering family-gathering infections. Grasp the knowledge of dengue prevention and control