Rift valley fever
MONDO:0017880Mondo
Findings
No curated finding names Rift valley fever yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Rift Valley fever (RVF), caused by the Rift Valley fever virus (RVFV), is an arbovirus characterized by a usually self-limiting febrile illness but that in some cases can also manifest with thrombosis, vision loss, hemorrhages and/or neurological symptoms.
Definition from the Mondo Disease Ontology (MONDO:0017880), read 2026-09-29. CC BY 4.0.
- Onset and course
- Miscarriage
HPO, annotations 2026-09-02
Features
43 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.
- FeverHPOHP:0001945
- Very frequent (80% to 99% of cases)
- Increased circulating IgG concentrationHPOHP:0003237
- Very frequent (80% to 99% of cases)
- ViremiaHPOHP:0020071
- Very frequent (80% to 99% of cases)
- AnorexiaHPOHP:0002039
- Frequent (30% to 79% of cases)
- Abnormality of the eyeHPOHP:0000478
- Occasional (5% to 29% of cases)
- Increased circulating IgM concentrationHPOHP:0003496
- Occasional (5% to 29% of cases)
- Muscle weakness
Show the remaining 31
- Retinal vasculitisHPOHP:0025188
- Occasional (5% to 29% of cases)
- RetinitisHPOHP:0032118
- Occasional (5% to 29% of cases)
- ScotomaHPOHP:0000575
- Occasional (5% to 29% of cases)
- Abnormal bleedingHPOHP:0001892
- Very rare (1% to 4% of cases)
- Abnormal thrombosisHPOHP:0001977
- Very rare (1% to 4% of cases)
- AnemiaHPOHP:0001903
- Very rare (1% to 4% of cases)
Where it sits
Other names
1 name
Resolves to: Rift valley fever
- Also called
- RVF