Eastern Equine Encephalitis
DefinitionEastern equine encephalitis (EEE) is an infection spread by a bite from an infected mosquito. While EEE is rare, it can be serious and in some cases, fatal.
|Effect on Encephalitis on the Brain|
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CausesEEE is caused by a virus.
Risk FactorsThe greatest risk factors for EEE are spending time in areas where mosquitoes are present, such as wetlands and swamps. Another risk factors is failing to use insect repellent.Risk factors for developing serious symptoms from EEE include:
- Being over 50 years old or younger than 15 years old
- Having a condition that affects your immune system
SymptomsMost people with EEE do not have any symptoms.If symptoms do occur, they may appear in 4-10 days and include:
- Neck stiffness
- Joint and muscle pain
DiagnosisYour doctor will ask about your symptoms and medical history. A physical exam will be done. Questions may include:
- Where you have been living or traveling
- Whether you have been exposed to mosquitoes
TreatmentTreatment for EEE focuses on supportive care. Severe symptoms require hospitalization, which may include:
- Mechanical ventilation (breathing support)
- IV fluids
- Medication to control seizures
- Medication to decrease brain swelling
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