Premodifier: west nile
Head noun: fever

Same concepts
http://dbpedia.org/resource/West_Nile_virus

Broader concepts

labelprovenanceconfidence
diseaseisap:2295260230.645020
mild illnessisap:2235372720.596851
infectionisap:3350874930.253724

Narrower concepts

labelprovenanceconfidence
headacheisap:3590546360.239506
myalgiumisap:3641865080.224757
encephalitisisap:676948640.197083
diseaseisap:400018730.112005