West Nile Virus - Washington, D.C. Cumulative Bird Graph
Bar chart with 2 items (weekly ending dates)
Item 1, September 15: 1 Mosquito Pool reported Item 2, October 6 : 2 Mosquito Pools reported
U.S. Department of the Interior | U.S. Geological Survey http:// diseasemaps.usgs.gov /2001/district/dc_mos_gph_mar_04.html For web page questions, contact: West Nile Web Team Last modification: Wednesday, 09-Jan-2013 15:59:08 EST jf USGS Privacy Statement