west nile virus: meaning, definition, pronunciation and examples
LowTechnical/Scientific, Journalistic
Quick answer
What does “west nile virus” mean?
A mosquito-borne virus that can cause a febrile illness and, in severe cases, inflammation of the brain (encephalitis) or the membranes around the brain and spinal cord (meningitis).
Audio
Pronunciation
Definition
Meaning and Definition
A mosquito-borne virus that can cause a febrile illness and, in severe cases, inflammation of the brain (encephalitis) or the membranes around the brain and spinal cord (meningitis).
A flavivirus of the family Flaviviridae, primarily transmitted by Culex mosquitoes, which circulates between birds and mosquitoes and can be transmitted to humans and other mammals, potentially leading to neurological disease.
Dialectal Variation
British vs American Usage
Differences
Spelling and usage are identical, but 'mosquito-borne' is more common in US public health communication, while 'mosquito-transmitted' appears frequently in both.
Connotations
Carries strong public health and epidemiological connotations in both regions.
Frequency
Frequency spikes in news media correlate with local outbreaks. More common in US discourse due to larger endemic areas.
Grammar
How to Use “west nile virus” in a Sentence
[Someone/area] has West Nile virus.West Nile virus [is spreading/circulating/causes].A mosquito transmitted West Nile virus [to someone].Vocabulary
Collocations
Examples
Examples of “west nile virus” in a Sentence
verb
British English
- The patient was suspected to have been infected with the virus.
- The area is being monitored for the virus.
American English
- The county reported its first case of the virus this season.
- Mosquitoes in the trap tested positive for the virus.
adjective
British English
- West Nile virus surveillance data
- A West Nile virus advisory
American English
- West Nile virus symptoms
- West Nile virus prevention tips
Usage
Meaning in Context
Business
Rare, except in insurance (health, travel) or pharmaceutical R&D contexts.
Academic
Common in virology, epidemiology, public health, and medical journals.
Everyday
Used in news reports and public health advisories, especially in endemic areas during summer/autumn.
Technical
Precise term used in laboratory diagnostics, vector control reports, and clinical medicine.
Vocabulary
Synonyms of “west nile virus”
Neutral
Weak
Watch out
Common Mistakes When Using “west nile virus”
- Incorrect capitalisation: 'west nile virus' (should be proper noun).
- Using as a general term for any mosquito-borne disease.
- Misspelling 'Nile' as 'Nial' or 'Niel'.
FAQ
Frequently Asked Questions
No, it is not transmitted through casual contact. Primary transmission is via mosquito bites. Rare cases have occurred through blood transfusion, organ transplant, or from mother to baby during pregnancy or breastfeeding.
It is found in many parts of the world, including Africa, Europe, the Middle East, Asia, Australia, and North America. In the US, it is the leading cause of mosquito-borne disease.
No, there is currently no approved human vaccine for West Nile virus. Prevention focuses on avoiding mosquito bites through repellents, clothing, and eliminating mosquito breeding sites.
About 80% of infected people have no symptoms. About 20% develop West Nile fever (fever, headache, body aches, rash). Less than 1% develop severe neuroinvasive disease (encephalitis or meningitis), which can be fatal.
A mosquito-borne virus that can cause a febrile illness and, in severe cases, inflammation of the brain (encephalitis) or the membranes around the brain and spinal cord (meningitis).
West nile virus is usually technical/scientific, journalistic in register.
West nile virus: in British English it is pronounced /ˌwest ˌnaɪl ˈvaɪrəs/, and in American English it is pronounced /ˌwɛst ˌnaɪl ˈvaɪrəs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a mosquito flying WEST over the NILE river, carrying a VIRUS. West + Nile + Virus = the disease it carries.
Conceptual Metaphor
THE VIRUS IS AN INVADER (e.g., 'The virus invaded his nervous system.'); PUBLIC HEALTH IS WARFARE (e.g., 'Fighting the spread of West Nile.')
Practice
Quiz
How is West Nile virus primarily transmitted to humans?