WHO世界卫生组织：2024年登革热：全球情况、监测和进展更新报告（英文版）

Dengue fever is a mosquito-borne viral infection caused by 4 serotypes of the Flavivirus genus (DENV-1 to DENV-4). Dengue is one of the fastest-spreading vectorborne diseases worldwide and a significant cause of illness and hospitalization in tropical and subtropical regions. Transmission occurs mainly through bites of infected Aedes aegypti and A. albopictus mosquitoes, which breed in densely populated urban areas. Over the past 5 decades, dengue has extended from fewer than 10 endemic count