登革热是一种由蚊子传播的疾病,在世界许多地区都有发生,尤以东南亚(泰国、马来西亚、印度尼西亚等国)的发病率为高,而且患者病情严重,常为出血性登革热。日本的登革热仅发生在纬度38度以南地区,这与其传播媒介——白纹伊蚊的地理分布是一致的。中国南方也有散在的登革热发生,但传播蚊种似乎还不肯定。登革热的一般临床症状为双峰热(俗称马 Dengue fever is a mosquito-borne disease that occurs in many parts of the world. In particular, dengue fever is endemic in Southeast Asia (Thailand, Malaysia, Indonesia and other countries) and the patient is experiencing severe hemorrhagic dengue. Dengue fever in Japan occurs only at a latitude of 38 degrees south, consistent with the geographical distribution of its vector, Aedes albopictus. There are also scattered dengue fever in southern China, but the transmission of mosquito does not seem certain. The general clinical symptom of dengue is bimodal fever (commonly known as horse