feline leukemia virus
C2technical/scientific
Definition
Meaning
a specific retrovirus that causes leukemia, lymphoma, and immunodeficiency in domestic cats and other felids.
In veterinary medicine and virology, FeLV is a significant pathogen with major implications for feline health, population management, and vaccine development. The term is sometimes used metaphorically in discussions of species-specific diseases or retroviral ecology.
Linguistics
Semantic Notes
Always refers to the virus itself, not the disease state (which is 'feline leukemia'). The abbreviation 'FeLV' is standard in professional contexts.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling remains consistent as 'leukemia' (UK) and 'leukemia' (US), though the 'ae' digraph is occasionally seen in older UK texts. The abbreviation 'FeLV' is universal.
Connotations
Identically technical and clinical in both varieties. No colloquial or informal variants exist.
Frequency
Equally low-frequency outside veterinary/virology contexts in both regions. Higher frequency in animal health publications and clinics.
Vocabulary
Collocations
Grammar
Valency Patterns
The cat tested positive for feline leukemia virus.Feline leukemia virus is transmitted through saliva.Vaccination against feline leukemia virus is recommended.Vocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Used in pharmaceutical/veterinary product marketing, e.g., 'Our new clinic offers FeLV screening packages.'
Academic
Central to virology, veterinary medicine, and epidemiology papers discussing oncogenic viruses and feline health.
Everyday
Rare outside vet visits or cat owner discussions about testing and vaccination.
Technical
Precise reference in diagnostic reports, research protocols, and veterinary manuals.
Examples
By Part of Speech
adjective
British English
- FeLV-related complications
- a feline leukemia virus outbreak
American English
- FeLV-associated lymphoma
- feline leukemia virus research
Examples
By CEFR Level
- The vet tested my cat for feline leukemia virus.
- There is a vaccine for feline leukemia virus.
- Feline leukemia virus is a major cause of illness in unvaccinated outdoor cats.
- Kittens can acquire the virus from an infected queen.
- Despite vaccination efforts, feline leukemia virus remains endemic in some feral populations.
- The pathogenesis of FeLV involves both immunosuppressive and oncogenic mechanisms.
Learning
Memory Aids
Mnemonic
Think: 'Feline' (cat) + 'Leukemia' (blood cancer) + 'Virus' (infectious agent) = the cat leukemia virus.
Conceptual Metaphor
A stealth invader that hijacks the immune system (military metaphor).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid calquing as 'кошачий вирус лейкемии' without context—'вирус лейкоза кошек' is the standard veterinary term.
- Do not confuse with 'feline immunodeficiency virus (FIV)'—a different retrovirus.
Common Mistakes
- Using 'feline leukemia' to mean the virus (it's the disease).
- Pronouncing 'feline' as /fɛˈlaɪn/ instead of /ˈfiːlaɪn/.
- Misspelling as 'leukimia' or 'feline leukemia virus'.
- Confusing FeLV with FIV (feline immunodeficiency virus).
Practice
Quiz
What is the primary mode of transmission for feline leukemia virus?
FAQ
Frequently Asked Questions
No, FeLV is species-specific and only infects cats and other felids.
FeLV is a retrovirus that can cause leukemia and immunosuppression; FIV (feline immunodeficiency virus) primarily causes an AIDS-like syndrome. They are different viruses with distinct transmission and disease profiles.
Vaccination significantly reduces risk but is not 100% protective; exposed cats should still be tested periodically.
Via blood tests (ELISA, IFA) that detect viral antigen or PCR tests that detect viral DNA.