Virus
Chikungunya virus
Aedes alphavirus, disabling arthralgia
chik-un-GUN-yuh VY-rus
High-yield clue
Aedes-transmitted Togaviridae alphavirus whose hallmark is severe, often prolonged polyarthralgia (bent-over posture).
Overview
A positive-sense single-stranded RNA alphavirus of the family Togaviridae spread by Aedes mosquitoes, studied as the arbovirus whose name means 'that which bends up' from severe joint pain.
Classification
- Togaviridae
- Genus Alphavirus
- Positive-sense ssRNA
- Enveloped
- Arbovirus
Lab & identification clues
- RNA detection and serology vocabulary
- Polyarthralgia study association
- Dengue co-circulation distinction concept
Associations
- Aedes aegypti and Aedes albopictus vector
- Severe symmetric polyarthralgia and arthritis vocabulary
- Fever with rash presentation vocabulary
- Tropical outbreak epidemiology
Commonly confused with
- Dengue virus
- Zika virus
Frequently asked questions
What is Chikungunya virus?
A positive-sense single-stranded RNA alphavirus of the family Togaviridae spread by Aedes mosquitoes, studied as the arbovirus whose name means 'that which bends up' from severe joint pain.
What are the lab clues for Chikungunya virus?
Lab clues for Chikungunya virus include RNA detection and serology vocabulary, Polyarthralgia study association, and Dengue co-circulation distinction concept.
What is Chikungunya virus commonly confused with?
Chikungunya virus is commonly confused with Dengue virus and Zika virus.
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.