noun
West Nile fever
A mosquito-borne infectious disease caused by the West Nile virus. The term is a direct loan translation from English.
See also: ウエストナイル熱
西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.
Synonymous variant using the English word 'West' in katakana instead of the kanji 西. Both refer to the same disease.
Loan translation from English 'West Nile fever', combining 西 (west), ナイル (Nile), and 熱 (fever).