Lassa fever
MONDO:0005820Mondo
Findings
No curated finding names Lassa fever yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A viral hemorrhagic fever that is caused by the Lassa virus, which is transmitted by contact with infected rodents; it is characterized by fever, headache, malaise, myalgia, and hearing loss.
Definition from the Mondo Disease Ontology (MONDO:0005820), read 2026-09-29. CC BY 4.0.
- Onset and course
- Miscarriage
HPO, annotations 2026-09-02
Features
27 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- AstheniaHPOHP:0025406
- Very frequent (80% to 99% of cases)
- FeverHPOHP:0001945
- Very frequent (80% to 99% of cases)
- Increased circulating IgM concentrationHPOHP:0003496
- Very frequent (80% to 99% of cases)
- MenometrorrhagiaHPOHP:0400008
- Very frequent (80% to 99% of cases)
- ViremiaHPOHP:0020071
- Very frequent (80% to 99% of cases)
- Abdominal painHPOHP:0002027
- Frequent (30% to 79% of cases)
- Chest pain
Show the remaining 15
- PharyngitisHPOHP:0025439
- Frequent (30% to 79% of cases)
- Abnormal bleedingHPOHP:0001892
- Occasional (5% to 29% of cases)
- ArthralgiaHPOHP:0002829
- Occasional (5% to 29% of cases)
- Back painHPOHP:0003418
- Occasional (5% to 29% of cases)
- ConjunctivitisHPOHP:0000509
- Occasional (5% to 29% of cases)
- DiarrheaHPOHP:0002014
- Occasional (5% to 29% of cases)
Where it sits
Other names
2 names
Resolves to: Lassa fever
- Also called
- Lassa hemorrhagic feverLF