A Flavivirus infectious disease that results_in infection in animals and humans, has_material_basis_in West Nile virus, which is transmitted_by Culex mosquitoes. The infection has_symptom fever, has_symptom headache, has_symptom body aches, has_symptom nausea, has_symptom vomiting, has_symptom swollen lymph glands, or has_symptom skin rash on the chest, stomach and back.