Arbovirus
Background
- Infections spread by mosquitos, ticks, flies.
- Dengue fever is the most common causes of arboviral disease around the world.
- Increased incidence in warmer months.
Clinical Features
- Most commonly manifest as four syndromes (that may overlap:)
- Fever and myalgia
- Arthritis and rash
- Encephalitis
- Viral hemorrhagic fever
- Headache common part of all syndromes
Differential Diagnosis
Evaluation
- Detailed travel and exposure history
- Local epidemiologic patterns helpful
- Specific serologic testing
Management
- Symptomatic management
- Exclude other causes if serious presentation
- Consider empiric acyclovir and antibiotics until HSV and bacterial meningitis/encephalitis ruled out.
Disposition
See Also
External Links
References
- Takhar SS, Moran GJ. Disseminated Viral Infections. In: Tintinalli JE, Stapczynski J, Ma O, Cline DM, Cydulka RK, Meckler GD, T. eds. Tintinalli's Emergency Medicine: A Comprehensive Study Guide. New York, NY: McGraw-Hill; 2011.