haemorrhagic fever
C1Medical/Technical, Academic, Journalistic
Definition
Meaning
A severe, life-threatening illness involving high fever and extensive bleeding.
A generic medical term for a group of acute viral infections characterized by fever, malaise, bleeding disorders, and potential damage to the vascular system, leading to shock and often death.
Linguistics
Semantic Notes
Refers to a category of diseases, not a single disease; a syndrome with multiple causative agents. Often used with the name of the specific virus (e.g., 'Marburg haemorrhagic fever').
Dialectal Variation
British vs American Usage
Differences
UK: 'haemorrhagic'. US: 'hemorrhagic'. The UK spelling retains the 'a' and the double 'r' from its Greek/Latin root.
Connotations
Identical connotations: high severity, mortality, and public health concern.
Frequency
Higher frequency in both varieties during disease outbreaks or in medical/public health discourse; otherwise low frequency in general language.
Vocabulary
Collocations
Grammar
Valency Patterns
Noun + of + haemorrhagic fever (an outbreak of haemorrhagic fever)Haemorrhagic fever + caused by + virus (haemorrhagic fever caused by a filovirus)Haemorrhagic fever + in + region (haemorrhagic fever in West Africa)Vocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Rare. Might appear in risk management or travel advisories (e.g., 'Business travel suspended due to haemorrhagic fever outbreak').
Academic
Primary context. Used in medical research, virology, epidemiology, and public health journals and textbooks.
Everyday
Low usage. Typically appears in news reports about disease outbreaks in specific regions.
Technical
Standard term in clinical medicine, pathology, virology, and infectious disease control.
Examples
By Part of Speech
verb
British English
- The patient was suspected to have haemorrhaged internally, consistent with a haemorrhagic fever.
American English
- The virus can cause the patient to hemorrhage, leading to hemorrhagic fever.
adverb
British English
- The disease progressed haemorrhagically.
American English
- The patient bled hemorrhagically from multiple sites.
Examples
By CEFR Level
- The doctor said it was a very bad fever.
- News reports warned of a dangerous fever causing bleeding in a neighbouring country.
- Health authorities are working to contain an outbreak of viral haemorrhagic fever in the region.
- The differential diagnosis included several haemorrhagic fevers, necessitating immediate isolation and specialized laboratory tests.
Learning
Memory Aids
Mnemonic
Remember 'HÆM' (like haemoglobin/blood) + 'RRHAGIC' (sounds like 'raging') + fever → a fever where blood is raging/leaking.
Conceptual Metaphor
THE BODY IS A CONTAINER / THE VASCULAR SYSTEM IS A PIPE SYSTEM → Haemorrhagic fever represents a catastrophic failure/rupture of the container/pipes.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calques like 'геморрагическая лихорадка' being misinterpreted as just a 'bleeding fever' without understanding the severe viral syndrome. The term is technical and specific.
Common Mistakes
- Spelling errors (hemoragic, hemorhagic). Using it as a countable noun for a single case (*'a haemorrhagic fever' is less common; 'a case of haemorrhagic fever' is standard). Confusing it with dengue or malaria, which can have haemorrhagic forms but are distinct diseases.
Practice
Quiz
What is the primary characteristic that defines a 'haemorrhagic fever'?
FAQ
Frequently Asked Questions
No, it is a syndrome or category caused by several distinct viruses from different families (e.g., Arenaviruses, Filoviruses).
Yes, for many of these viruses (e.g., Ebola, Lassa), transmission occurs through direct contact with infected body fluids.
It is purely a spelling difference. The UK spelling 'haemorrhagic' follows the original Greek 'haima' (blood), while the US spelling 'hemorrhagic' is a simplified form.
No, mortality rates vary significantly. For example, Ebola virus disease has a high fatality rate (~50%), while Lassa fever is fatal in about 1% of cases.