title: CDC helps in battle against West Nile virus.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000517:prevention & control*; D001717:Birds; D002487:Centers for Disease Control and Prevention, U.S.; D003465:Culex / Q000821:virology; D004197:Disease Reservoirs; D005380:Financing, Government; D006801:Humans; D007303:Insect Vectors / Q000821:virology*; D014481:United States; D014901:West Nile Fever / Q000517:prevention & control* / Q000635:transmission; D014902:West Nile virus; D015047:Zoonoses