Chikungunya
Background
Mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013
Clinical Features
- Fever typically greater than 39deg
- Polyarthralgias, bilateral and symmetrical
- Rash- maculopapular
- Myalgias
- Nausea and vomiting
- Lymphocytopenia
- Elevated LFTs
- AKI
- 3-7d incubation period
Differential Diagnosis
- Dengue Fever: very similar features but Chikagunya more prominent arthralgias
- other infectious rashes
Workup
- CBC w diff, Cr, LFTs
- contact CDC for specialized testing; recommends tiger top tube
Management
Symptomatic treatment: acute symptoms usually resolve in 7-10d
Disposition
See Also
External Links
Sources
CDC