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Start free with EleplanHuman infection by orthopoxvirus
ORPHA:438279Disease
What it is
A rare viral disease characterized by fever, malaise, lymphadenopathy, and a maculopapular exanthema spreading from the site of infection to other regions of the body. The skin lesions eventually dry out and may leave behind scars. The most relevant orthopox species for human disease after the eradication of the variola virus, which was responsible for smallpox, are the monkeypox virus and the cowpox virus. Infections with these viruses typically take a benign course.
Key facts
- Prevalence
- <1 / 1 000 000 (Europe)
- Age of onset
- All ages
- Inheritance
- Not applicable
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
ICD-10 codes
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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