Definition:

An Alphavirus infectious disease that results_in inflammation located_in brain of horses and humans, has_material_basis_in Eastern equine encephalitis virus, has_material_basis_in Venezuelan equine encephalitis virus, or has_material_basis_in Western equine encephalomyelitis virus, which are transmitted_by moquito bite. The infection has_symptom fever, has_symptom headache, and has_symptom malaise.