TY - RPRT TI - Prevalence of West Nile virus in migratory birds during spring and fall migration AU - Robert J. Dusek AU - R. G. McLean AU - L.D. Kramer AU - S. R. Ubico AU - A.P. Dupuis AU - G.D. Ebel AU - S.C. Guptill PY - 2009 DO - 10.4269/ajtmh.2009.09-0106 UR - https://pubs.usgs.gov/publication/70035614 ID - 70035614 ER -