81 病媒蚊可傳播許多感染症，有些甚至是致命的，請問下列何種感染症不是經由病媒蚊所傳播？

黃熱病（yellow fever） 回歸熱（relapsing fever）

登革熱（dengue fever） 日本腦炎（Japanese encephalitis）

ANS B

The yellow fever virus is transmitted by the bite of female mosquitoes (the yellow fever mosquito, Aedes aegypti, and other species) and is found in tropical and subtropical areas in South America and Africa, but not inAsia:

VACCINATION BY THE WHO: VIP TO NOTE

Relapsing fever (synonym: typhinia^[1]) is an infection caused by certain bacteria in the genus Borrelia.^[2] It is a vector-borne disease that is transmitted through the bites of lice or soft-bodied ticks.^[3]