noun
West Nile fever
Medical term for the febrile illness caused by West Nile virus.
ウエストナイル熱は蚊によって媒介される感染症です。
West Nile fever is an infectious disease transmitted by mosquitoes.
Refers to the virus itself, while ウエストナイル熱 is the disease it causes.
From English 'West Nile fever', named after the West Nile region of Uganda where the virus was first identified.