Columbia subject headings:
Public health administration--United States.
West Nile fever--United States--Epidemiology.
West Nile fever--United States--Prevention.
Harvard subject headings:
Public health administration--United States.
West Nile fever--United States--Epidemiology.
West Nile fever--United States--Prevention.
Princeton subject headings:
Public health administration--United States.
West Nile fever--United States--Epidemiology.
West Nile fever--United States--Prevention.